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Ethyl chloroformate
ECF;tl423;LJSYZ;TL 423;JACS-541-41-3;cathylchloride;Cathyl chloride;Choroformicester;etilcloroformiato;AKOS BBS-00004329
포뮬러 무게:
MOL 파일:

클로로포름산에틸 속성

-81 °C (lit.)
끓는 점
93 °C (lit.)
1.135 g/mL at 25 °C (lit.)
증기 밀도
3.74 (vs air)
3.42 psi ( 20 °C)
n20/D 1.395(lit.)
57 °F
저장 조건
물리적 상태
White to off-white
Irritating; sharp, like hydrochloric acid.
Moisture Sensitive
CAS 데이터베이스
541-41-3(CAS DataBase Reference)
Carbonochloridic acid, ethyl ester(541-41-3)
Ethyl chloroformate (541-41-3)
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 F,T+,N
위험 카페고리 넘버 11-22-26-34-50
안전지침서 9-16-26-28-33-36/37/39-45-61
유엔번호(UN No.) UN 1182 6.1/PG 1
WGK 독일 1
RTECS 번호 LQ6125000
F 고인화성물질 10-19-21
자연 발화 온도 842 °F
위험 등급 6.1
포장분류 I
HS 번호 29151300
유해 물질 데이터 541-41-3(Hazardous Substances Data)
기존화학 물질 KE-05692
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H225 고인화성 액체 및 증기 인화성 액체 구분 2 위험 P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 P264, P270, P301+P312, P330, P501
H314 피부에 심한 화상과 눈에 손상을 일으킴 피부부식성 또는 자극성물질 구분 1A, B, C 위험 P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H330 흡입하면 치명적임 급성 독성 물질 흡입 구분 1, 2 위험 P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
P320 긴급히 (…) 처치를 하시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
P304+P340 흡입하면 신선한 공기가 있는 곳으로 옮기고 호흡하기 쉬운 자세로 안정을 취하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P405 밀봉하여 저장하시오.
NFPA 704
4 1

클로로포름산에틸 C화학적 특성, 용도, 생산

화학적 성질

Ethyl chloroformate is a colorless to light yellow liquid that is corrosive and flammable. It is prepared from phosgene and ethanol. It has a sharp pungent odor, like hydrochloric acid, and it decomposes in water. It is miscible with alcohol, benzene, chloroform, and ether.


Ethyl chloroformate (chloroformic acid ethyl ester) is used as a solvent in the photographic industry, and as a chemical intermediate in the production of various carbamates, and used in synthesis of dyes, drugs, veterinary medicines, herbicides, and insecticides. It is also used in the production of flotation agents for ores, as a stabilizer for PVC, and in the production of modified penicillins and heterocyclic compounds (Gerhartz, 1985).
Cathyl Chloride is used in the preparation of new inhibitors for β-homocysteine S-methyltransferase. Also used in the synthesis of a hexosaminidase inhibitor.

일반 설명

A colorless liquid with a pungent odor. Flash point 66°F. Very toxic by inhalation. Corrosive to metals and tissue. Vapors are heavier than air. Prolonged exposure to low concentrations or short exposure to high concentrations may have adverse health effects from inhalation.

공기와 물의 반응

Highly flammable. Emits fumes containing HCl on contact with moist air. Decomposes exothermically but slowly in water.

반응 프로필

Ethyl chloroformate decomposes slowly in water to form ethanol, HCl, and CO2 Attacks many metals especially in humid atmosphere [Handling Chemicals Safely 1980. p. 476]. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].


Flammable, dangerous fire risk. Strong irritant to eyes and skin.


Inhalation causes mucous membrane irritation, coughing, and sneezing. Vapor causes severe lachrymation; liquid causes acid-type burns of eyes and skin, like those of hydrochloric acid. Ingestion causes severe burns of mouth and stomach.


Special Hazards of Combustion Products: Toxic chlorine and phosgene gases may be formed in fires.

화학 반응

Reactivity with Water: Slow reaction with water, evolving hydrogen chloride (hydrochloric acid); Reactivity with Common Materials: Slow evolution of hydrogen chloride from surface moisture reaction can cause slow corrosion; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Flush with water, rinse with sodium bicarbonate or lime solution; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

Safety Profile

Poison by ingestion, inhalation, and intraperitoneal routes. Moderately toxic by skin contact. Corrosive. An eye, skin, and mucous membrane irritant. A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidzing materials. Reacts with water or steam to produce toxic and corrosive fumes. To fight fire, use CO2, dry chemical. When heated to decomposition it emits highly toxic fumes of Cl-.

잠재적 노출

Heavily used in industry for various processes; in ore processing, photography, making other chemicals including amines, carbamates, isocyanates; polymers, diethyl carbonate; nitriles, etc.

운송 방법

UN1182 Ethyl chloroformate, Hazard class: 6.1; Labels: 6.1-Poison Inhalation Hazard, 3-Flammable liquid, 8-Corrosive material Inhalation Hazard Zone B

Purification Methods

Wash the ester several times with water, redistil it using an efficient fractionating column at atmospheric pressure and a CaCl2 guard tube to keep free from moisture [Hamilton & Sly J Am Chem Soc 47 435 1925, Saunders et al. J Am Chem Soc 73 3796 1951]. [Beilstein 3 IV 23.] LACHRYMATORY AND TOXIC.

비 호환성

Highly flammable; Vapors may form explosive mixture with air. Emits fumes containing HCl on contact with moist air. Decomposes exothermically but slowly in water. Ethyl chloroformate decomposes slowly in water forming ethanol, hydrogen chloride and carbon dioxide. May react vigorously, possibly explosively, if mixed with di-isopropyl ether or other ethers in the presence of trace amounts of metal salts. Reacts with acids, alkalies, amines, alcohols, oxidizers and water. Corrosive to metals especially in the presence of moisture.

폐기물 처리

Use a licensed professional waste disposal service to dispose of this material. All federal, state, and local environmental regulations must be observed. Consult with environmental regulatory agencies for guidance on acceptable disposal practices

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