Trimethylhydroquinone (TMHQ) is a synthetic organic compound with the chemical formula C15H18O2. It is a derivative of hydroquinone, where three methyl groups are attached to the hydroquinone molecule. TMHQ is a white crystalline solid that is soluble in organic solvents and has a melting point of approximately 70°C. It is primarily used as an antioxidant in the food industry, particularly in the stabilization of vegetable oils and animal fats, to prevent oxidation and rancidity. Additionally, TMHQ has applications in the rubber, chemical, and pharmaceutical industries. It is important to note that while TMHQ is generally recognized as safe when used within regulatory limits, excessive consumption may have potential health risks, and its use is regulated by food safety authorities.

74894-48-7

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Basic information
1. Product Name: trimethylhydroquinone
2. Synonyms:
3. CAS NO:74894-48-7
4. Molecular Formula:
5. Molecular Weight: 154.209
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: trimethylhydroquinone(CAS DataBase Reference)
10. NIST Chemistry Reference: trimethylhydroquinone(74894-48-7)
11. EPA Substance Registry System: trimethylhydroquinone(74894-48-7)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 74894-48-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 74894-48-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,9 and 4 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 74894-48:
(7*7)+(6*4)+(5*8)+(4*9)+(3*4)+(2*4)+(1*8)=177
177 % 10 = 7
So 74894-48-7 is a valid CAS Registry Number.

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