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1,302 Posts
Discussion Starter · #1 ·
I'm feeding my doggies TOTW Wetlands--and Jack's red tummy & itching cleared right up after one week on this! YAY!
However I noticed on that this food is about a 5 or a 6 star rating because the manufacturer has made no statement regarding the use of ethoxyquin in their foods.
So I took it upon my happy little self to question the TOTW people on their website--they sent me back this response which I also forwarded to the people:

The preservation systems used by our vendors are considered proprietary
information. However, we know that the heat from our pet food process
destroys antioxidants that are used in the ingredients that we
After the heat process (extrusion and drying), we apply natural
tocopherols (Vitamins A & E) in order to carry the shelf life of the
food. The cooking process at our facilities is at or above 240 degrees.
If there were any ethoyxquin in the ingredients it would be eliminated
due to its lack of heat stability. Diamond does not preserve any of
products with ethoxyquin, only with mixed tocopherols.

Cordell Schroeder
Quality Control Manager
Diamond Pet Foods

Ok so according to them--they may or may not use food with ethoxyquin but even if they did it cooks right out--is that ok or no?

1,878 Posts
not to sure, but interested for an answer as well. Thats great that you sent them a question and got a quick response, it must make you feel a bit better knowing the ethoxyquin get cooked out.

3,155 Posts
it seems like they are saying, some of their ingredients may or may not have ethoxyquin in them when they come from the supplier, but it gets cooked out (not sure if this is true or not), however, they do not add ethoxyquin themselves.

3,155 Posts
from the iams website (which by the way is stating why ethoxyquin is good...
) so because of that statement i'm not sure if this is reputable info or not:

Quote: Ethoxyquin remains stable at the high temperatures required to process pet foods during extrusion. It is important in protecting fats and oils from degrading, losing available calories, and becoming rancid.

697 Posts
Re: TOTW & ethoxyquin

If you're not familiar with these, every chemical in the US (if it has any hazard) must have a MSDS (Material Safety Data Sheet). This is the one for Ethoxyquin. It does state that it becomes unstable in heat, but it also says that it gives off toxic fumes. I am NOT a chemist, so maybe someone else is more familiar with this than I am and can lend some insight.

Material Safety Data Sheet
Ethoxyquin MSDS
Section 1: Chemical Product and Company Identification
Product Name: Ethoxyquin
Catalog Codes: SLE1630
CAS#: 91-53-2
RTECS: VB8225000
TSCA: TSCA 8(b) inventory: Ethoxyquin
CI#: Not available.
Synonym: Ethyoxyquin, Santoquin, Aries Antox;
Chemical Name:
Chemical Formula: C14-H19-N-O
Contact Information:, Inc.
14025 Smith Rd.
Houston, Texas 77396
US Sales: 1-800-901-7247
International Sales: 1-281-441-4400
Order Online:
CHEMTREC (24HR Emergency Telephone), call:
International CHEMTREC, call: 1-703-527-3887
For non-emergency assistance, call: 1-281-441-4400
Section 2: Composition and Information on Ingredients
Name CAS # % by Weight
Ethoxyquin 91-53-2 100
Toxicological Data on Ingredients: Ethoxyquin: ORAL (LD50): Acute: 800 mg/kg [Rat].
Section 3: Hazards Identification
Potential Acute Health Effects: Hazardous in case of skin contact (irritant), of eye contact (irritant), of ingestion, of inhalation.
Potential Chronic Health Effects:
MUTAGENIC EFFECTS: Mutagenic for bacteria and/or yeast.
The substance may be toxic to blood, liver, Metabolism, bladder, kidneys.
Repeated or prolonged exposure to the substance can produce target organs damage.
Section 4: First Aid Measures
p. 1
Eye Contact:
Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at
least 15 minutes. Get medical attention.
Skin Contact:
In case of contact, immediately flush skin with plenty of water. Cover the irritated skin with an emollient. Remove
contaminated clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get
medical attention.
Serious Skin Contact:
Wash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek immediate
medical attention.
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get
medical attention.
Serious Inhalation: Not available.
Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an
unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight
clothing such as a collar, tie, belt or waistband.
Serious Ingestion: Not available.
Section 5: Fire and Explosion Data
Flammability of the Product: May be combustible at high temperature.
Auto-Ignition Temperature: Not available.
Flash Points: OPEN CUP: 143°C (289.4°F).
Flammable Limits: Not available.
Products of Combustion: These products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...).
Fire Hazards in Presence of Various Substances:
Slightly flammable to flammable in presence of heat.
Non-flammable in presence of shocks.
Explosion Hazards in Presence of Various Substances:
Risks of explosion of the product in presence of mechanical impact: Not available.
Risks of explosion of the product in presence of static discharge: Not available.
Fire Fighting Media and Instructions:
SMALL FIRE: Use DRY chemical powder.
LARGE FIRE: Use water spray, fog or foam. Do not use water jet.
Special Remarks on Fire Hazards: When heated to decomposition it emits toxic fumes.
Special Remarks on Explosion Hazards: Not available.
Section 6: Accidental Release Measures
Small Spill: Absorb with an inert material and put the spilled material in an appropriate waste disposal.
Large Spill:
p. 2
Absorb with an inert material and put the spilled material in an appropriate waste disposal. Finish cleaning by
spreading water on the contaminated surface and allow to evacuate through the sanitary system.
Section 7: Handling and Storage
Keep locked up.. Keep away from heat. Keep away from sources of ignition. Empty containers pose a fire risk,
evaporate the residue under a fume hood. Ground all equipment containing material. Do not ingest. Do not
breathe gas/fumes/ vapor/spray. Wear suitable protective clothing. In case of insufficient ventilation, wear
suitable respiratory equipment. If ingested, seek medical advice immediately and show the container or the label.
Avoid contact with skin and eyes. Keep away from incompatibles such as oxidizing agents.
Keep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above 25°C (77°F).
Sensitive to light. Store in light-resistant containers. Air Sensitive
Section 8: Exposure Controls/Personal Protection
Engineering Controls:
Provide exhaust ventilation or other engineering controls to keep the airborne concentrations of vapors below their
respective threshold limit value. Ensure that eyewash stations and safety showers are proximal to the
work-station location.
Personal Protection:
Splash goggles. Lab coat. Vapor respirator. Be sure to use an approved/certified respirator or equivalent.
Personal Protection in Case of a Large Spill:
Splash goggles. Full suit. Vapor respirator. Boots. Gloves. A self contained breathing apparatus should be
used to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist
BEFORE handling this product.
Exposure Limits: Not available.
Section 9: Physical and Chemical Properties
Physical state and appearance: Liquid.
Odor: Not available.
Taste: Not available.
Molecular Weight: 217.31 g/mole
Color: Yellow.
pH (1% soln/water): Not available.
Boiling Point: 124°C (255.2°F)
Melting Point: 0°C (32°F)
Critical Temperature: Not available.
Specific Gravity: 1.03 (Water = 1)
Vapor Pressure: Not available.
Vapor Density: 7.48 (Air = 1)
p. 3
Volatility: Not available.
Odor Threshold: Not available.
Water/Oil Dist. Coeff.: Not available.
Ionicity (in Water): Not available.
Dispersion Properties: Not available.
Solubility: Soluble in organic solvents.
Section 10: Stability and Reactivity Data
Stability: The product is stable.
Instability Temperature: Not available.
<span style="color: #FF0000">Conditions of Instability: Excess heat</span>, incompatible materials
Incompatibility with various substances: Reactive with oxidizing agents.
Corrosivity: Not available.
Special Remarks on Reactivity:
Air and light sensitive.
It may discolor on exposure to light and air.
It discolors and stains. Keep away from articles subject to stain discoloration
Special Remarks on Corrosivity: Not available.
Polymerization: Will not occur.
Section 11: Toxicological Information
Routes of Entry: Absorbed through skin. Dermal contact. Eye contact. Inhalation. Ingestion.
Toxicity to Animals: Acute oral toxicity (LD50): 800 mg/kg [Rat].
Chronic Effects on Humans:
CARCINOGENIC EFFECTS: (Inadequate study.) by NTP.
MUTAGENIC EFFECTS: Mutagenic for bacteria and/or yeast.
May cause damage to the following organs: blood, liver, Metabolism, bladder, kidneys.
Other Toxic Effects on Humans: Hazardous in case of skin contact (irritant), of ingestion, of inhalation.
Special Remarks on Toxicity to Animals: Not available.
Special Remarks on Chronic Effects on Humans: May affect genetic material (mutagenic)
Special Remarks on other Toxic Effects on Humans:
Acute Potential Health Effects:
Skin: Causes skin irritation.
Eyes: Causes eye irritation.
Inhalation: May cause respiratory tract and mucous membrane irritation.
Ingestion: May be harmful if swallowed. May cause gastrointestinal tract irritation. May affect behavior/central
nervous system (convulsions, coma, ataxia, somnolence), respiration.
Chronic Potential Health Effects:
Ingestion: Prolonged or repeated ingestion may affect the liver, metabolism, blood(changes in clotting factor),
p. 4
urinary system(kidneys, bladder).
Skin: Prolonged or repeated skin contact may cause dermatitis, an allergic skin reaction.
Section 12: Ecological Information
Ecotoxicity: Not available.
BOD5 and COD: Not available.
Products of Biodegradation:
Possibly hazardous short term degradation products are not likely. However, long term degradation products may
Toxicity of the Products of Biodegradation: The products of degradation are less toxic than the product itself.
Special Remarks on the Products of Biodegradation: Not available.
Section 13: Disposal Considerations
Waste Disposal:
Waste must be disposed of in accordance with federal, state and local environmental
control regulations.
Section 14: Transport Information
DOT Classification: Not a DOT controlled material (United States).
Identification: Not applicable.
Special Provisions for Transport: Not applicable.
Section 15: Other Regulatory Information
Federal and State Regulations: TSCA 8(b) inventory: Ethoxyquin
Other Regulations:
OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).
EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances.
Other Classifications:
WHMIS (Canada): Not controlled under WHMIS (Canada).
R22- Harmful if swallowed.
S2- Keep out of the reach of children.
S24- Avoid contact with skin.
HMIS (U.S.A.):
Health Hazard: 2
Fire Hazard: 1
Reactivity: 0
Personal Protection: h
p. 5
National Fire Protection Association (U.S.A.):
Health: 2
Flammability: 1
Reactivity: 0
Specific hazard:
Protective Equipment:
Lab coat.
Vapor respirator. Be sure to use an
approved/certified respirator or
Splash goggles.
Section 16: Other Information
References: Not available.
Other Special Considerations: Not available.
Created: 10/09/2005 05:28 PM
Last Updated: 10/09/2005 05:28 PM

<span style="color: #CC0000">I am leaving this post even though it exceeds the 1,000 maximum. When posting information like this please supply a link to the material. </span>

140 Posts
Thanks to Emoore for sending me the link this thread. I sent an email to TOTW asking if they use ethoxyquin in any of their products. I just received an email with an attachment on the Preservatives policy. This is what she sent me....this is exactly what was sent to drkcloud4u (above) leaving out this line:

"If there were any ethoyxquin in the ingredients it would be eliminated due to its lack of heat stability"

This is what I was just sent:
"The preservation systems used by our vendors are considered proprietary information. The heat from our pet food process destroys antioxidants that are used in the ingredients that we purchase. The cooking process at our facilities is at or above 240 degrees. After the heat process (extrusion and drying), we apply natural tocopherols (Vitamins A & E) in order to carry the shelf life of the food. Diamond does not preserve any of its products with ethoxyquin, only with mixed tocopherols."

So they state they don't use it, what are your guys thoughts on this?

2,209 Posts
Re: TOTW & ethoxyquin

Originally Posted By: Goldglv"The preservation systems used by our vendors are considered proprietary information.

So they state they don't use it
the only thing they deny is that they dont add it themselves. it would be put in by the vendors who supply the food to them. by saying "preservation system used by our vendors are...proprietary" is legal speak for "we dont have to admit we use products with ethoxyquin in them." diamond would have to then test for any ethoxyquin residue to make sure it was free of this. they dont do this. while other companies either gaurantee their meats to come from vendors ethoxyquin free and/or test the products for any ethoxyquin residue once they recieve them. diamond does neither.

i am not comfortable with the notion that it is all destroyed in the cooking process.

2,209 Posts
i happened to go to college with the person who had this recent correspondence w/ TOTW rep and vet:

Called TOTW vet said Ethoxyquin is safe ?!?!


Called about their fish meal i spoke with two different people, 1st was a rep 2nd their vet. The 1st lady told me that they did not use Ethoxyquin but they cant speak for there supplyers. Then she told me that the end product was tested and confirmed to be free of Ethoxyquin as cooking heats it and basically nulls any Ethoxyquin in the food. I told her that i found a statement from IAMS that said the exact opposite infact that is why they use it (it will survive heat and the cooking process). I then asked her where i could see the statement in writing (end product has no Ethoxyquin after cooking ) she got a bit frazzeled and said she would ask the vet, then asked me to hold. Next thing i know im on the phone with the vet and she is explaining that it is not harmful what so ever and it may actually be good. she even quoted dog food anyalisis saying that they started everyone else and it is not dangerous what-so-ever. I will not buy anything else from TOTW or Diamond i feel that what they are doing is wrong i equate it to doctors stating that lead and asbestos were safe.

wouldn't it be easier if they just made sure their suppliers didn't use it?

98 Posts
I guess we have to ask ourselves, how much more are we prepared to spend to make sure our pets food is as safe as ours. After the recall, I think we all were awakened up to the fact that quality and safety comes with a high price. At 40 bucks a bag, you get what you pay for.

15,220 Posts
Re: TOTW & ethoxyquin

Well I know alot of $10-$15 for 50lb bag foods that are much worse! I've been feeding this for over a year now. No problems at all. The nature's variety I was feeding (chicken/rice) is now more expensive to buy per pound than the grain-free. Used to be cheaper, last few months it's gone up at least $10 a bag.

2,209 Posts
Re: TOTW & ethoxyquin

cost is a big issue. i wont even feed orijen fish because it is just too pricey. im at my limit with orijen regular. if i had one more dog, it would be out of the question. TOTW, in the grand scheme of all commercial dog foods, is not cheap either. i think diamond is more careful now than they have ever been. i wonder if they could take care of this issue without raising prices too much. i think the pacific stream would work well for my arthritic 8 yr old. this is the one issue that bothers me most.

10,141 Posts
Originally Posted By: K9DroverI guess we have to ask ourselves, how much more are we prepared to spend to make sure our pets food is as safe as ours.
Honestly, I think their food is safer. A decent kibble is probably more nutritious and safer than eating at, say, Taco Bell or McDonald's.

6,287 Posts
TOTW - we're talking about Taste of the Wild, right?

Ekko... my EPI, SIBO, food allergy, environmental allergy, all around sensitive dog... is doing FAMOUSLY so far on the TOTW fish formula. I believe this is month 3 now(??). Chances are that in another year he's probably going to have to switch foods again, so I'm just not going to worry about this right now. Ok... in reality I'll probably research it when I have some time...

6,287 Posts
Originally Posted By: K9DroverSo even if PS has ethoxyquin in it many of you are prepared to feed it to your pets because its affordable? I mean this is not like one feeding, it is feeding it day in day out for what may be a month or more.
Who says it's affordable? I pay $50 for a 30lb bag!!

There's nothing that says definitively that there IS ethoxyquin in it. I'm not going to freak out on a maybe. My troubled boy is doing INCREDIBLE on this food. He has an EXTREMELY sensitive system and is thriving on the pacific formula. I truly doubt there is anything to worry about.
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