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3,4,5,6-Tetrahydrophthalic anhydride

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Origin: China

Cas No: 2426-02-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
2426-02-0
Other Names:
3,4,5,6-Tetrahydrophthalic anhydride
MF:
C8H8O3
EINECS No.:
219-374-3
Place of Origin:
Hubei, China
Type:
Agrochemical Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
Purity:
98.0%min
Brand Name:
Fortunachem
Model Number:
Fortuna
Application:
Fine Intermediates
Appearance:
White Powder
Experience:
10 year's manufacture
Molecular Weight:
152.15
Melting point:
69-73 °C(lit.)
Sample:
Available
Packaging&Delivery
Packaging Details
3,4,5,6-Tetrahydrophthalic anhydride Cas 2426-02-0
25kg/Drum
Port
Any port of China

Property

CAS No.: 2426-02-0 Formula: C8H8O3 Molecular Weight: 152.14700

Basic Info

Chemical Name	3,4,5,6-Tetrahydrophthalic anhydride
Synonyms	4,5,6,7-tetrahydro-2-benzofuran-1,3-dione; 3.4.5.6-tetrahydrophthalic anhydride; 1-CYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE; 1,3-Isobenzofurandione, 4,5,6,7-tetrahydro-; 4,5,6,7-tetrahydroisobenzofuran-1,3-dione; Cyclohexene-1,2-dicarboxylic anhydride; 4,5,6,7-Tetrahydro-1,3-isobenzofurandione;
CAS No.	2426-02-0
Molecular Formula	C8H8O3
Molecular Weight	152.14700
PSA	43.37000
LogP	0.94040

Properties

Appearance & Physical State	White to Light Yellow Powder
Density	1.29 g/cm3
Boiling Point	302.3ºC at 760 mmHg
Melting Point	69-73ºC
Flash Point	158ºC
Water Solubility	REACTS
Stability	Stable at room temperature in closed containers under normal storage and handling conditions.
Storage Condition	2-8ºC

Safety Info

Hazard Class	8
Safety Statements	S22-S24-S26-S37/39-S61
HS Code	2932999099
Packing Group	III
WGK Germany	3
RIDADR	2698
Risk Statements	R41; R42/43; R52/53
Hazard Codes	Xn
Caution Statement	P261; P273; P280; P305 + P351 + P338; P342 + P311
Signal Word	Danger
Hazard Declaration	H317; H318; H334; H412
Symbol	GHS05, GHS08

Synthesis Route

carbon monoxide+2-bromocyclohexene-1-carboxylic acid→3,4,5,6-Tetrahydrophthalic anhydride
4,7-dihydro-2-benzofuran-1,3-dione→3,4,5,6-Tetrahydrophthalic anhydride
1,3-bis((trimethylsilyl)oxy)-4,5,6,7-tetrahydroisobenzofuran→3,4,5,6-Tetrahydrophthalic anhydride

Precursor

2-bromocyclohexene-1-carboxylic acid
1,3-bis((trimethylsilyl)oxy)-4,5,6,7-tetrahydroisobenzofuran
4,7-dihydro-2-benzofuran-1,3-dione
carbon monoxide

Downstream Product

6,7-dimethyl-1,2,3,4-tetrahydronaphthalene
hexahydrophthalic anhydride
1,2-Bis(trifluoromethyl)benzene
3-[4-chloro-5-(difluoromethoxy)-2-fluorophenyl]imino-4,5,6,7-tetrahydro-2-benzofuran-1-one

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