Chloroacetaldehyde , ≥40%w/winwater , 107-20-0
CAS NO.：107-20-0
Empirical Formula: C2H3ClO
Molecular Weight: 78.5
MDL number: MFCD00006992
EINECS: 203-472-8
PRODUCT Properties
| Melting point: | -28--23°C |
| Boiling point: | 80-100 °C(lit.) |
| Density | 1.236 g/mL at 25 °C |
| vapor pressure | 100 at 20 °C (NIOSH, 1997) |
| refractive index | n |
| Flash point: | 128 °F |
| solubility | Soluble in ether (Weast, 1986), acetone, and methanol (Hawley, 1981) |
| form | Colorless liquid |
| Water Solubility | soluble in acetone, methanol. Fully miscible in water. |
| Sensitive | Air Sensitive |
| Merck | 2109 |
| BRN | 1071226 |
| Exposure limits | Ceiling 3 mg/m3 (1 ppm) (ACGIH); IDLH. |
| LogP | 0.62 at 25℃ and pH5.8 |
Description and Uses
oroacetaldehyde is a combustible, color?less liquid with a very sharp, irritating odor. Molecularweight=78.50; Specific gravity (H2O:1)=1.19 (40%solution); Boiling point=85 100℃; Freezing/Meltingpoint=16℃(40% solution); Vapor pressure 5100 mmHg at 20℃; Flash point=87.7℃(40%626 Chloroacetaldehydesolutions). Hazard Identification (based on NFPA 704 MRating System): Health 3, Flammability 2, Reactivity 0(able to polymerize on standing). Soluble in water.
In the manufacture of 2- aminothiazole; to facilitate bark removal from tree trunks; formed during the chlorination of drinking water; a metabolite of vinyl chloride
Safety
| Symbol(GHS) |     GHS05,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H301-H310+H330-H314-H335-H351-H400 |
| Precautionary statements | P202-P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | T+,N |
| Risk Statements | 24/25-26-34-40-50-35 |
| Safety Statements | 26-28-36/37/39-45-61 |
| RIDADR | UN 2232 6.1/PG 1 |
| OEL | Ceiling: 1 ppm (3 mg/m3) |
| WGK Germany | - |
| RTECS | AB2450000 |
| TSCA | Yes |
| HazardClass | 6.1(a) |
| PackingGroup | I |
| HS Code | 29130000 |
| Toxicity | Acute oral LD50 for rats 75 mg/kg, mice 69 mg/kg (quoted, RTECS, 1985). |
| IDLA | 45 ppm |
