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Fumaryl chloride

Fumaryl chloride structure

CAS No:
627-63-4
Formula:
C4H2Cl2O2
Chemical Name:
Fumaryl chloride
Synonyms:
2-Butenedioyl dichloride,(2E)-;Fumaroyl chloride;2-Butenedioyl dichloride,(E)-;(2E)-2-Butenedioyl dichloride;Fumaryl chloride;Fumaric dichloride;Fumaroyl dichloride;Fumaric acid dichloride;Fumaric acid chloride;Fumaryl dichloride
Categories:
Chemical Reagents > Organic Reagents

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Description

Clear yellow liquid

Fumaryl chloride Basic Attributes

Molecular Weight：

152.96

Exact Mass：

152.96

BRN：

1721342

EC Number：

211-005-4

HScode：

29171990

Characteristics

PSA：

34.1

XLogP3：

1.07340

Appearance：

Clear yellow Liquid

Density：

1.415 g/mL at 25 °C(lit.)

Melting Point：

260 °C (decomp)

Boiling Point：

159 °C

Flash Point：

165 °F

Refractive Index：

n20/D 1.499(lit.)

Water Solubility：

Decomposes in water

Storage Conditions：

Refrigerator (+4°C)

Vapor Pressure：

2.07 mmHg

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 1780 8/PG 2

wgk germany：

hazard class code：

20/21/22-34-37-29-36/37-14

safety instructions：

26-36/37/39-45-8-27

RTECS Number：

LT2800000

Marks：

Precautionary statement(s)：

P280-P305 + P351 + P338-P310

Hazard Statements：

H302 + H312 + H332-H314

Fumaryl chloride Use and Manufacturing

Methods of Manufacturing

Derived from the reaction of maleic anhydride and phthaloyl chloride in the presence of zinc chloride. Heat the maleic anhydride, industrial phthalic acid chloride and anhydrous zinc chloride at 130-135°C for 2 hours, taking care to avoid overheating. Then it is cooled to 90-95°C, and distillation is carried out quickly. The 62-64 (1.73kPa) fraction is collected as fumaryl chloride, and the yield is about 90%. In addition, from the outside, fumaryl chloride can also be prepared by reacting fumaric acid with phthaloyl chloride or thionyl chloride or phosphorus pentachloride.

Uses

Highly reactive organic intermediate.

Material

Maleic anhydride

Fumaric acid

Zinc chloride

Thionyl chloride

Phthaloyl chloride

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CAS No.: 627-63-4

Grade: Pharmaceutical Grade

Content: 99%

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Fumaryl chloride

CAS No.: 627-63-4

Grade: Industrial Grade

Content: 99%

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