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| CAS No.: | 627-63-4 |
|---|---|
| Name: | Fumaryl chloride |
| Molecular Structure: | |
|
|
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| Formula: | C4H2 Cl2 O2 |
| Molecular Weight: | 152.965 |
| Synonyms: | 2-Butenedioyldichloride, (E)-; Fumaroyl chloride (7CI,8CI); Fumaric acid chloride; Fumaricacid dichloride; Fumaric dichloride; Fumaroyl dichloride; Fumaryl chloride;Fumaryl dichloride |
| EINECS: | 211-005-4 |
| Density: | 1.415 |
| Melting Point: | -2 ºC |
| Boiling Point: | 161-164 ºC |
| Flash Point: | 73 ºC |
| Solubility: | decomposes |
| Appearance: | light yellow-green liquid |
| Hazard Symbols: |
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| Risk Codes: | R20/21/22;R29;R34 |
| Safety: | Moderately toxic by ingestion, inhalation, and skin contact. A skin, eye, and mucous membrane irritant. A corrosive agent. Will react with water or steam to produce toxic and corrosive fumes. When heated to decomposition it emits highly toxic fumes of phosgene and HCl. |
| Transport Information: | UN 1780 |
| PSA: | 34.14000 |
| LogP: | 1.07340 |
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Chemistry
Fumaryl chloride (627-63-4) exists as clear yellow liquid or a straw colored fuming liquid with a pungent odor.
Molecular Structure:
Molecular Formula:C4H2Cl2O2
Molecular Weight:152.96
IUPAC Name:but-2-enedioyl dichloride
Synonyms: (2E)-2-Butenedioyl dichloride ; (E)-1,4-Dioxo-2-butenyldichloride ; (e)-2-butenedioyldichlorid ; (E)-butenedioyldichloride ; 2-Butenedioyl dichloride,(E)- ; Chlorure de fumaryle ; chloruredefumaryle ; Dichlorid kyseliny fumarove
EINECS:211-005-4
Density:1.415g/mL
Water Solubility:decomposes
Melting Point:-2℃
Boiling Point:161-164℃(lit.)
Flash Point:73℃
Density:1.415g/mL at 25℃(lit.)
refractive index:1.499(lit.)
Uses
Fumaryl chloride (627-63-4) is mainly used in organic synthesis.
Toxicity Data With Reference
| 1. | skn-rbt 750 µg/24H SEV | 85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum1986,327. | ||
| 2. | eye-rbt 5 mg/24H SEV | 85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum1986,327. | ||
| 3. | orl-rat LD50:810 mg/kg | AIHAAP American Industrial Hygiene Association Journal. 30 (1969),470. | ||
| 4. | ihl-rat LCLo:500 ppm/4H | AIHAAP American Industrial Hygiene Association Journal. 30 (1969),470. | ||
| 5. | ihl-mus LCLo:1000 mg/m3/10M | NDRC** National Defense Research Committee, Office of Scientific Research and Development, Progress Report NDCrc-132,May ,1942. | ||
| 6. | skn-rbt LD50:1410 mg/kg | AIHAAP American Industrial Hygiene Association Journal. 30 (1969),470. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by ingestion, inhalation, and skin contact. A skin, eye, and mucous membrane irritant. A corrosive agent. Will react with water or steam to produce toxic and corrosive fumes. When heated to decomposition it emits highly toxic fumes of phosgene and HCl.
Hazard Codes:.jpg){kind=small}
C
Risk Statements:20/21/22-34-37-29-36/37-14
20/21/22:Harmful by inhalation, in contact with skin and if swallowed
34:Causes burns
37:Irritating to the respiratory system
29:Contact with water liberates toxic gas
36/37:Irritating to eyes and respiratory system
14:Reacts violently with water
Safety Statements:26-36/37/39-45-8-27
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39:Wear suitable protective clothing, gloves and eye/face protection
45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
8:Keep container dry
27:Take off immediately all contaminated clothing
RIDADR:UN 1780 8/PG 2
WGK Germany:3
RTECS:LT2800000
F:21
F21:Sensitive to humidity
HazardClass:8
PackingGroup:II
HS Code:29171990
Standards and Recommendations
DOT Classification: 8; Label: Corrosive
Specification
Fumaryl chloride (627-63-4) is corrosive to metals and tissue. Its vapors irritate the eyes and mucous membranes. Fumaryl chloride (627-63-4) is incompatible with strong oxidizing agents, alcohols, amines and other bases. Fumaryl chloride (627-63-4) may react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts. Fumaryl chloride (627-63-4) will release flammable, toxic or corrosive gases when reacted with water.