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Molekula

Molekula

Butylated hydroxytoluene (BHT) (Ph Eur,NF,JPE)

SKU 90036930 CAS 128-37-0 [(CH3)3C]2C6H2(CH3)OH MW 220.35 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Butylated hydroxytoluene (BHT) is a synthetic antioxidant widely used in cosmetics, pharmaceuticals, and food packaging to prevent oxidation and extend shelf life. It meets Ph Eur, NF, and JPE standards, ensuring high purity for regulated applications. CAS 128-37-0, molecular formula [(CH3)3C]2C6H2(CH3)OH, molecular weight 220.35, stored at ambient temperatures. Classified with a signal word of Warning. Molekula supplies BHT from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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Specifications

Property Value
Appearance White to yellowish crystalline powder
Melting Point 69.5 - 72.0°C
Grade Meets analytical specifications of Ph Eur, NF, JPE
Sulphated Ash ≤0.002%
Assay (HPLC) 99.0 - 101.5%
Methanol ≤3000ppm
Appearance of Solution (100g/l, Methanol (Ph Eur)) Clear and not more intense in colour than reference solution Y5 or BY5.
Assay (GC) ≥99.0%
Heavy Metals (Pb) ≤20ppm
Toluene ≤890ppm
Water (KF) ≤0.2%
Lead (Pb) ≤2ppm
Mercury (Hg) ≤1ppm
Identification (IR) Conforms to structure
Arsenic (As) ≤3ppm
Wavelength of Max. Absorption (Ethanol) 277 - 279nm
Solution Appearance (100g/l, Ethanol (95%) (JPE)) Clear and not more intense in colour than reference solution Y5 or BY5.
Solidification Point 69.2 - 70.0°C
Sulphates (SO4)(2-) ≤150ppm
p-cresol ≤0.1%
Related Substance (TLC) ≤0.5%
Other residual solvents (ICH Q3C) Excluded by the production process
Specific absorptivity A 1% / 1cm (A max; 0.02 g/l ethanol abs.) 81 - 88
Specific absorptivity A278nm 1% / 1cm (A max; 0.05 g/l ethanol (95%)) 82 - 88
Related substances (HPLC) (p-cresol) ≤0.1%
Related substances (HPLC) (3-tert-butyl-4-hydroxyanisole) ≤0.1%
Related substances (HPLC) (3,5-Di-tert-butyl-4-hydroxybenzoic acid) ≤0.1%
Related substances (HPLC) (2-tert-Butyl-4-methylphenol or 2-tert-butyl-5-methylphenol) ≤0.1%
Related substances (HPLC) (3,5-Di-tert-butyl-4-hydroxybenzaldehyde) ≤0.1%
Related substances (HPLC) (4,6-Di-tert-butyl-m-cresol) ≤0.1%
Related substances (HPLC) (2,6-Di-tert-butylphenol) ≤0.1%
Related substances (HPLC) (any unspecified impurity) ≤0.1%
Related substances (HPLC) (sum of all impurities) ≤0.7%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 127 °C
Transport Class 9
Packing Group III
Acidity Neutral

Identification

Property Value
SKU 90036930
CAS Number 128-37-0
Molecular Formula [(CH3)3C]2C6H2(CH3)OH
Molecular Weight 220.35
SMILES CC1=CC(=C(C(=C1)C(C)(C)C)O)C(C)(C)C
UN Number UN3077
REACH Code Y110
HTS Code 2907.19.1000
Tariff Code 2907199090

Safety & GHS

Warning
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • H410 Very toxic to aquatic life with long lasting effects

Precautionary statements

  • P273 Avoid release to the environment
  • P391 Collect spillage
  • P501 Dispose of contents/container to an approved waste disposal plant

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is Butylated hydroxytoluene (BHT) used for?

BHT is primarily used as an antioxidant and preservative in foods, cosmetics, pharmaceuticals, and industrial applications to prevent oxidation and extend shelf life.

What is the chemical formula and molecular weight of BHT?

The chemical formula is [(CH3)3C]2C6H2(CH3)OH, and the molecular weight is 220.35 g/mol.

How should BHT be stored?

Store BHT at ambient temperature in a cool, dry place, away from direct sunlight and incompatible materials.

What grades of BHT does Molekula supply?

Molekula supplies BHT meeting **Ph Eur, NF, and JPE** pharmaceutical and food-grade standards.

Can Molekula supply BHT in bulk quantities?

Yes, Molekula can supply BHT in bulk, with quantities tailored to your specific requirements.

What documentation comes with a BHT order?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** to ensure compliance with regulatory standards.

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