8.00742

1,2,3,6-Tetrahydrophthalic anhydride

for synthesis

• Synonym(s): 1,2,3,6-Tetrahydrophthalic anhydride, 4-Cyclohexene-1,2-dicarboxylic anhydride
• Empirical Formula (Hill Notation): C₈H₈O₃
• CAS Number: 85-43-8
• Molecular Weight: 152.15
• UNSPSC Code: 12352115
• EC Index Number: 201-605-4
• NACRES: NA.22

Properties

• vapor pressure: 0.00021 hPa ( 20 °C)
• Quality Level: 200
• form: flakes
• autoignition temp.: 400 °C
• potency: 5410 mg/kg LD₅₀, oral (Rat)
• pH: 2.1 (20 °C, 10 g/L in H₂O)
• mp: 101.4 °C
• transition temp: flash point 156 °C
• solubility: 29.4 g/L
• density: 1.36 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C8H8O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-2,5-6H,3-4H2
• InChI key: KMOUUZVZFBCRAM-UHFFFAOYSA-N

Description

Analysis Note

Assay (morpholine method): ≥ 97.0 %
Melting range (lower value): ≥ 99 °C
Melting range (upper value): ≤ 102 °C
Identity (IR): passes test

Safety Information

• Pictograms: GHS05,GHS08
• Signal Word: Danger
• Hazard Statements: H317 - H318 - H334 - H412
• Precautionary Statements: P261 - P272 - P273 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Aquatic Chronic 3 - Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1
• Storage Class Code: 8A - Combustible, corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): 312.8 °F
• Flash Point(C): 156 °C