Bisphenol A

Bisphenol A

CAS Registry Number: 80-05-7

Standard Common Name: Bisphenol A (Short Name: BPA)

Molecular Formula: C₁₅H₁₆O₂

Molecular Weight: 228.29

Standard Synonyms: 4,4′-(Propane-2,2-diyl)diphenol, 2,2-Bis(4-hydroxyphenyl)propane, 2,2-Bis(hydroxyphenyl)propane

Physical Appearance: Uniform fine white crystalline powder

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

Sample Service: Free test samples are available on request

Description

Melting Point: 155–158 °C

Boiling Point: 250 °C (thermal decomposition occurs under normal atmospheric pressure)

Relative Density: 1.195 g/cm³ at 25 °C

Solubility: Slightly soluble in cold water; fully miscible with ethanol, methanol, acetone, toluene and most conventional organic solvents

Chemical Stability: Stable under normal room-temperature storage environments. Incompatible with concentrated strong oxidants and strong alkaline substances, which will trigger chemical reactions

Volatility: Low volatility at room temperature Bisphenol A

Chemical Properties

Item	Value
Melting point	158-159 °C(lit.)
Boiling point	220 °C at 4 mm Hg(lit.)
bulk density	600 kg/m3
density	1.195
vapor pressure	<1 Pa (25 °C)
refractive index	1.5542 (estimate)
Fp	227 °C
storage temp.	Store below +30°C.
solubility	0.12 g/L insoluble
form	Liquid
pka	10.29±0.10(Predicted)
color	Clear light yellow to light orange
Odor	Phenol like
Water Solubility	<0.1 g/100 mL at 21.5 ºC
Merck	14,1297
BRN	1107700
Dielectric constant	5.0（20℃）
Cosmetics Ingredients Functions	NOT REPORTED
InChIKey	IISBACLAFKSPIT-UHFFFAOYSA-N
LogP	3.4 at 21.5℃
CAS DataBase Reference	80-05-7(CAS DataBase Reference)
NIST Chemistry Reference	Phenol, 4,4′-(1-methylethylidene)bis-(80-05-7)
EPA Substance Registry System	4,4′-Isopropylidenediphenol (80-05-7)

Safety Information

Item	Value
Hazard Codes	Xn
Risk Statements	37-41-43-62-52
Safety Statements	26-36/37/39-45-46-39-36/37-61
RIDADR	UN 3077 9 / PGIII
WGK Germany	2
RTECS	SL6300000
Autoignition Temperature	510 °C
TSCA	Yes
HS Code	29072300
Hazardous Substances Data	80-05-7(Hazardous Substances Data)
Toxicity	LC50 (96 hr) in fathead minnow, rainbow trout: 4600, 3000-3500 mg/l (Staples)

Product Application

Bisphenol A is a high-yield bulk industrial chemical with extensive downstream utilization in polymer, packaging and plastic manufacturing industries:

Epoxy phenolic resin raw material
It is the primary feedstock for synthesizing epoxy phenolic resins. These resins are commonly coated as anti-corrosion protective inner linings for metal food and beverage cans, preventing direct contact between food contents and metal can walls.
Core monomer of polycarbonate resin
Bisphenol A serves as the essential polymerization monomer for polycarbonate. Polycarbonate made from BPA is fabricated into various food-contact daily products with high transparency and impact resistance, including reusable drinking containers, baby feeding bottles, tableware and drinking mugs.
Functional additive for PVC plastics

When blended into polyvinyl chloride (PVC) products, it acts as both a high-performance antioxidant and polymerization inhibitor, slowing plastic oxidative aging and restraining abnormal polymerization side reactions during thermal processing.
Additional extended applications

Apart from the above core uses, this chemical is also widely adopted for producing unsaturated polyester resins, thermal paper coating agents, electronic packaging encapsulation materials, optical transparent lenses and halogen-free flame retardant intermediates.