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Merck

8.00742

1,2,3,6-Tetrahydrophthalic anhydride

for synthesis

Synonym(s):

1,2,3,6-Tetrahydrophthalic anhydride, 4-Cyclohexene-1,2-dicarboxylic anhydride

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About This Item

Empirical Formula (Hill Notation):
C8H8O3
CAS Number:
Molecular Weight:
152.15
MDL number:
UNSPSC Code:
12352115
EC Index Number:
201-605-4
NACRES:
NA.22
Form:
flakes
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vapor pressure

0.00021 hPa ( 20 °C)

Quality Segment

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

SMILES string

O1C(=O)C2C(CC=CC2)C1=O

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

signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1

Storage Class

8A - Combustible, corrosive hazardous materials

wgk

WGK 1

flash_point_f

312.8 °F

flash_point_c

156 °C


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Deleterious substance

pdsc

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified



Certificates of Analysis (COA)

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