Bisphenol a
CAS Number
80-05-7
EC Number
201-245-8
Abbreviation
BPA
What is Bisphenol a?
Bisphenol A (CAS 80-05-7), commonly abbreviated as BPA, is a high-volume industrial monomer used primarily to manufacture polycarbonate plastics and epoxy resins.
Where is Bisphenol a used?
- Polymer synthesis: foundational building block
- Epoxy resins: reacts with epichlorohydrin to produce bisphenol A diglycidyl ether (BADGE)
- Protective coatings, adhesives and industrial laminates: base resin
- Polycarbonate: impact resistance and optical clarity in automotive glazing, electronic housings and optical media
- Metal coatings: corrosion resistance and adhesion for industrial pipelines and packaging
- Electronics: printed circuit board laminates and encapsulants requiring thermal and electrical stability
Commercial specifications
- Technical grade predominant; high-purity grades for polymer and electronic applications
- 25 kg bags or bulk quantities
- Consistent melt color and purity aligned to major polymer-grade standards
Other Names (Synonyms)
p,p'-isopropylidenediphenol|p,p'-isopropylidenebisphenol|p,p'-dihydroxydiphenylpropane|p,p'-dihydroxydiphenyldimethylmethane|p,p'-bisphenol A|isopropylidenebis(4-hydroxybenzene)|dimethylmethylene-p,p'-diphenol|dimethylbis(p-hydroxyphenyl)methane|BPA
What are the physical properties of Bisphenol a?
Melting Point 150-155 °C
Boiling Point 250 °C @ Press: 13 Torr
Density 1.195 g/cm³ @ Temp: 25 °C
Flash Point 227 °C
Appearance Bisphenol A is a white or tan crystals or flakes with a mild phenolic odor.
Color Clear light yellow to light orange
Odor Phenol like
Form Liquid
Water Solubility <0.1 g/100 mL at 21.5 ºC
Vapor Pressure <1 Pa (25 °C)
Refractive Index 1.5542 (estimate)
Log P 3.4 at 21.5℃
How is Bisphenol a classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS07· Irritant GHS08· Health Hazard GHS09· Environmental Hazard
Hazard Statements
H303 May be harmful if swallowed
H313 May be harmful in contact with skin
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
Which trade and regulatory codes apply to Bisphenol a?
HS Code 29072300
UN Number 3077
ADR Class 9
Packing Group III
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
WGK (Germany) 2