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HomeProduct name list4-Chlorobutyryl chloride

4-Chlorobutyryl chloride

  • CAS NO.:4635-59-0
  • Empirical Formula: C4H6Cl2O
  • Molecular Weight: 141
  • MDL number: MFCD00000754
  • EINECS: 225-059-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-09-09 19:09:56
4-Chlorobutyryl chloride Structural

What is 4-Chlorobutyryl chloride?

Chemical properties

Clear colorless to yellow liquid

The Uses of 4-Chlorobutyryl chloride

4-Chlorobutyryl chloride (4-CBCl) is mainly used in the production of pharmaceuticals and agrochemicals. It is used as pyrazinamide intermediate.

Synthesis Reference(s)

Synthesis, p. 538, 1973 DOI: 10.1055/s-1973-22254

Flammability and Explosibility

Non flammable

Toxicity

Oral LD50 Category 4. ATE = 300 - 2000 mg/kg

Dermal LD50 Based on ATE data, the classification criteria are not met. ATE > 2000 mg/kg.

Properties of 4-Chlorobutyryl chloride

Melting point: -47 °C
Boiling point: 173-174 °C(lit.)
Density  1.26 g/mL at 25 °C(lit.)
vapor pressure  3 mm Hg ( 20 °C)
refractive index  n20/D 1.461(lit.)
Flash point: 163 °F
storage temp.  Store below +30°C.
solubility  Chloroform, DMSO (Sparingly), Ethyl Acetate (Slightly)
form  Liquid
color  Clear colorless to yellow
explosive limit 5.5-11.7%(V)
Water Solubility  soluble in diethyl ether, ethanol, slightly soluble in water.
Sensitive  Moisture Sensitive
BRN  773860
Stability: Hygroscopic, Moisture Sensitive
CAS DataBase Reference 4635-59-0(CAS DataBase Reference)
NIST Chemistry Reference Butanoyl chloride, 4-chloro-(4635-59-0)
EPA Substance Registry System Butanoyl chloride, 4-chloro- (4635-59-0)

Safety information for 4-Chlorobutyryl chloride

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Environment
GHS09
GHS Hazard Statements H290:Corrosive to Metals
H302:Acute toxicity,oral
H314:Skin corrosion/irritation
H330:Acute toxicity,inhalation
H400:Hazardous to the aquatic environment, acute hazard
Precautionary Statement Codes P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 4-Chlorobutyryl chloride

InChIKey CDIIZULDSLKBKV-UHFFFAOYSA-N

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