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. |
| InChI | 1S/C2H3ClO/c3-1-2-4/h2H,1H2 |
| InChIKey | QSKPIOLLBIHNAC-UHFFFAOYSA-N |
| SMILES | [H]C(=O)CCl |
| LogP | 0.62 at 25℃ and pH5.8 |
| CAS DataBase Reference | 107-20-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Acetaldehyde, chloro-(107-20-0) |
| EPA Substance Registry System | Chloroacetaldehyde (107-20-0) |
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 |
| target organs | Respiratory system |
| PPE | Eyeshields, Gloves, type ABEK (EN14387) respirator filter |
| 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 | TSCA listed |
| HazardClass | 6.1(a) |
| PackingGroup | I |
| HS Code | 29130000 |
| Storage Class | 6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials |
| Hazard Classifications | Acute Tox. 1 Inhalation Acute Tox. 2 Dermal Acute Tox. 3 Oral Aquatic Acute 1 Carc. 2 Eye Dam. 1 Skin Corr. 1B STOT SE 3 |
| Hazardous Substances Data | 107-20-0(Hazardous Substances Data) |
| Toxicity | Acute oral LD50 for rats 75 mg/kg, mice 69 mg/kg (quoted, RTECS, 1985). |
| IDLA | 45 ppm |
| Excepted Quantities | Forbidden |





