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8.00742

Sigma-Aldrich

1,2,3,6-Tetrahydrophthalic anhydride

for synthesis

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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

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

Analysis Note

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

Pictograms

CorrosionHealth hazard
GHS05,GHS08

Signal Word

Danger

Hazard Statements

H317 - H318 - H334 - H412

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

Certificates of Analysis (COA)

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