Bisphenol A vs bisphenol S
Bisphenol A (C15H16O2, CAS 80-05-7) and bisphenol S (C12H10O4S, CAS 80-09-1) are both listed under monomers.
Bisphenol A has a molar mass of 228.29 g/mol, bisphenol S 250.28 g/mol.
Measured melting points are 160 °C for bisphenol A and 240.5 °C for bisphenol S.
Both carry the GHS signal word Danger.
On CompoundList, 235 suppliers list bisphenol A and 85 suppliers list bisphenol S.
Data last updated 7 October 2026
| Identity | ||
|---|---|---|
| Name in our database | Bisphenol A | Bisphenol S |
| CAS number | 80-05-7 | 80-09-1 |
| Molecular formula | C15H16O2 | C12H10O4S |
| Molar mass | 228.29 g/mol | 250.28 g/mol |
| IUPAC name | 4-[2-(4-hydroxyphenyl)propan-2-yl]phenol | 4-(4-hydroxyphenyl)sulfonylphenol |
| EC number | 201-245-8 | 201-250-5 |
| Physical properties | ||
| Appearance | Crystallizes as prisms from dil acetic acid and as needles from water | White, crystalline powder |
| Melting point | 160 °C | 240.5 °C |
| Boiling point | 360.5 °C | Not recorded |
| Density | Relative density (water = 1): 1.2 (25 °C) | 1.3663 g/cm³ at 15 °C |
| Flash point | 227 °C | Not recorded |
| Solubility | In water, 300 mg/L at 25 °C | Insoluble in water |
| LogP (octanol/water)Computed from the structure | 3.42 | 1.93 |
| Safety (GHS) | ||
| Signal word | Danger | Danger |
| Pictograms | ||
| Hazard statements |
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| Uses and classification | ||
| Uses and functions |
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| Category | Polymers and resins › Monomers | Organic chemicals › Sulfur and phosphorus compounds |
| HS code | 2907234,4′-Isopropylidenediphenol (bisphenol A, diphenylolpropane) and its salts | 293090Organo-sulphur compounds, other |
| Market on CompoundList | ||
| Suppliers | 235 suppliers | 85 suppliers |
| Supplier countries | 31 countries, most in United States, India, China | 13 countries, most in China, United States, Canada |
| Price rangeOnly prices set by suppliers who manage their own profile | Price on request | Price on request |
Measured and computed values as shown on each chemical page, plus live listings on CompoundList. Details may have changed, please confirm them with the supplier. Safety data is a summary, not an SDS.
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