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  • 8.17023 - Butylhydroxyanisole

8.17023 EMD Millipore


Butylhydroxyanisole Ph Eur,NF,E 320. CAS No. 121-00-6, EC Number, Ph Eur,NF,E 320

Synonym: BHA, 3-tert-Butyl-4-hydroxyanisole

  • CAS Number 121-00-6

  • Linear Formula C₁₁H₁₆O₂

  • Molecular Weight 180.24 g/mol

  •  EC Number 204-442-7



Related Categories Biochemicals and Reagents More...
grade   Ph Eur,NF,E 320
packaging   1 kg in Plastic bottle (8170231000)
  25 kg in Fibre carton (8170239025)
bp   263 °C (1013 hPa)
vapor pressure   1.33 hPa (105 °C)
flash point   130 °C
mp   48 - 63 °C
LD 50 oral   LD50 Rat 880 mg/kg
shipped in   ambient
storage temp.   Store at +15°C to +25°C.
specifications   Assay ((HPLC, butylated hydroxyanisole)): ≥ 98.5 %
  Assay ((HPLC, 2-tert-butyl-4-methoxyphenol)): ≥ 90.0 %
  Assay ((HPLC, 3-tert-butyl-4-methoxyphenol)): ≤ 10.0 %
  Identity (A (Ph. Eur.)): passes test
  Identity (B (Ph. Eur.)): passes test
  Identity (C (Ph. Eur.)): passes test
  Identity (A (NF)): passes test
  Identity (B (NF)): passes test
  Appearance: White, yellowish or slightly pinkish crystalline powder.
  Appearance of solution (100 g/l, ethanol 96 %): Clear and not more intensely colored than intensity 5 of the range of reference solutions of the most appropriate coloracc. to Ph. Eur.
  Melting range: 48 - 63 °C
  Absorption maximum λ 1 (Ethanol): 289 - 292 nm
  Absorption maximum λ 2 (Ethanol): 227 - 230 nm
  Spec. Absorptivity A 1%/1cm ((λ1max; 0.02 g/l; ethanol)): 190 - 210
  Spec. Absorptivity A 1%/1cm ((λ2max; 0.02 g/l; ethanol)): 326 - 345
  Heavy metals: ≤ 10 ppm
  As (Arsenic): ≤ 3 ppm
  Hg (Mercury): ≤ 1 ppm
  Pb (Lead): ≤ 2 ppm
  Related substances (DC) (3-tert-Butyl-4-methoxyphenol): ≤ 10 %
  Related substances (DC) (Hydroquinone): ≤ 0.2 %
  Related substances (DC) (any other impurity): ≤ 0.5 %
  Residual solvents (ICH Q3C): excluded by manufacturing process
  Sulfated ash (600 °C): ≤ 0.01 %
  Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000
are not likely to be present.
  Corresponds to Ph. Eur., NF, E 320.
Conforms to the purity criteria on food additives according to current European Commission Regulation.

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Safety & Documentation

Safety Information

HS Code 
2909 50 00
Hazard Statement(s) 
H302: Harmful if swallowed.
Storage class 
10 - 13 Other liquids and solids
WGK 2 water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
Kein Gefahrgut
Declaration (transport by air) IATA-DGR 
No Dangerous Good
Declaration (transport by sea) IMDG-Code 
No Dangerous Good
Categories of danger 
R Phrase 
R 22
Harmful if swallowed.
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