1,2-Cyclohexanedicarboxylic anhydride , Shun type and transliteration, 97% , 85-42-7

Synonym(s):
Hexahydrophthalic anhydride

CAS NO.：85-42-7

Empirical Formula: C8H10O3

Molecular Weight: 154.16

MDL number: MFCD00064863

EINECS: 201-604-9

PRODUCT Properties

• Melting point: 32-34 °C(lit.)
• Boiling point: 158 °C17 mm Hg(lit.)
• Density: 1.18
• vapor pressure: 0.31Pa at 25℃
• RTECS: NP6895168
• refractive index: 1.4620 (estimate)
• Flash point: >230 °F
• storage temp.: Store below +30°C.
• solubility: Chloroform, Methanol (Slightly)
• form: Solid
• pka: 4.14[at 20 ℃]
• color: White to Off-White
• Water Solubility: 4.2g/L at 20℃
• Sensitive: Moisture Sensitive
• BRN: 83213
• Exposure limits: ACGIH: Ceiling 0.005 mg/m3
• Stability: Moisture Sensitive
• LogP: -4.14 at 20℃

Description and Uses

HPPA, in combination with triethaylamine (TEA), can be used as a polymerization initiator in the preparation of polyester based resins. It can also be used as a hardener to cure 1,4-butanediol diglycidyl ether which can be used as an epoxy based system for electronic devices.

Safety

• Symbol(GHS): GHS05,GHS08
• Signal word: Danger
• Hazard statements: H317-H318-H334
• Precautionary statements: P261-P280-P280-P284-P304+P340-P305+P351+P338+P310
• Hazard Codes: Xn
• Risk Statements: 41-42/43
• Safety Statements: 23-24-26-37/39
• RIDADR: 3335
• WGK Germany: 1
• TSCA: Yes
• HS Code: 29172090