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N-부틸메르캅탄

N-부틸메르캅탄
N-부틸메르캅탄 구조식 이미지
카스 번호:
109-79-5
한글명:
N-부틸메르캅탄
동의어(한글):
1-뷰틸머캅탄;N-부틸메르캅탄;부탄에티올;부틸머캡탄(부틸메르캅탄)
상품명:
Butanethiol
동의어(영문):
n-C4H9SH;FEMA 3478;Butylthiol;NCI-C60866;Bear skunk;thiobutanol;BUTANETHIOL;n-Butylthiol;MERCAPTAN C4;1-BUTANETHIOL
CBNumber:
CB3225712
분자식:
C4H10S
포뮬러 무게:
90.19
MOL 파일:
109-79-5.mol

N-부틸메르캅탄 속성

녹는점
−116 °C(lit.)
끓는 점
98 °C(lit.)
밀도
0.842 g/mL at 25 °C(lit.)
증기 밀도
3.1 (vs air)
증기압
83 mm Hg ( 37.7 °C)
굴절률
n20/D 1.443(lit.)
FEMA
3478 | 1-BUTANETHIOL
인화점
55 °F
저장 조건
Flammables area
용해도
0.597g/l
물리적 상태
Liquid
산도 계수 (pKa)
11.51 at 25 °C (23.0% aqueous tert-butyl alcohol, Friedman et al., 1965)
Specific Gravity
0.842
색상
Colorless
냄새
Strong skunk-like.
폭발한계
1.4-11.3%(V)
수용성
0.60 g/100 mL. Slightly soluble
감도
Air Sensitive
Merck
14,1577
JECFA Number
511
BRN
1730908
Henry's Law Constant
(x 10-3 atm?m3/mol): 7.04 at 20 °C (approximate - calculated from water solubility and vapor pressure)
노출 한도
NIOSH REL: 15-min ceiling 0.5 ppm (1.8 mg/m3), IDLH 500 ppm; OSHA PEL: TWA 10 ppm (35 mg/m3); ACGIH TLV: TWA 0.5 ppm (adopted).
안정성
Stable. Incompatible with oxidizing agents, bases, alkali metals. Highly flammable. May discolour on exposure to air.
CAS 데이터베이스
109-79-5(CAS DataBase Reference)
NIST
1-Butanethiol(109-79-5)
EPA
1-Butanethiol(109-79-5)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 F,Xn
위험 카페고리 넘버 11-20/22-36/37/38-21/22-43
안전지침서 16-23-26-36-9-36/37-33-37-37/39
유엔번호(UN No.) UN 2347 3/PG 2
WGK 독일 3
RTECS 번호 EK6300000
F 고인화성물질 10-13-23
TSCA Yes
HS 번호 2930 90 98
위험 등급 3
포장분류 II
유해 물질 데이터 109-79-5(Hazardous Substances Data)
독성 LD50 orally in Rabbit: 1500 mg/kg
그림문자(GHS):
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
H315 피부에 자극을 일으킴 피부부식성 또는 자극성물질 구분 2 경고 P264, P280, P302+P352, P321,P332+P313, P362
H317 알레르기성 피부 반응을 일으킬 수 있음 피부 과민성 물질 구분 1 경고 P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 눈에 심한 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2A 경고 P264, P280, P305+P351+P338,P337+P313P
H320 눈에 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2B 경고 P264, P305+P351+P338,P337+P313
H332 흡입하면 유해함 급성 독성 물질 흡입 구분 4 경고 P261, P271, P304+P340, P312
H335 호흡 자극성을 일으킬 수 있음 특정 표적장기 독성 - 1회 노출;호흡기계 자극 구분 3 경고
H336 졸음 또는 현기증을 일으킬 수 있음 특정표적장기 독성 물질(1회 노출);마취작용 구분 3 경고 P261, P271, P304+P340, P312,P403+P233, P405, P501
H361 태아 또는 생식능력에 손상을 일으킬 것으로 의심됨 생식독성 물질 구분 2 경고 P201, P202, P281, P308+P313, P405,P501
H371 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킬 수 있음(노출되어도 특정 표적장기 독성을 일으키지 않는다는 결정적인 노출경로가 있다면 노출경로를 기재) 특정 표적장기 독성 - 2회 노출 구분 2 경고 P260, P264, P270, P309+P311, P405,P501
예방조치문구:
P201 사용 전 취급 설명서를 확보하시오.
P202 모든 안전 조치 문구를 읽고 이해하기 전에는 취급하지 마시오.
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P233 용기를 단단히 밀폐하시오. 용기는 환기가 잘 되는 곳에 단단히 밀폐하여 보관하시오.
P240 용기와 수용설비를 접지 및 접합시키시오.
P260 분진·흄·가스·미스트·증기·...·스프레이를 흡입하지 마시오.
P261 분진·흄·가스·미스트·증기·...·스프레이의 흡입을 피하시오.
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P270 이 제품을 사용할 때에는 먹거나, 마시거나 흡연하지 마시오.
P271 옥외 또는 환기가 잘 되는 곳에서만 취급하시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P370+P378 화재 시 불을 끄기 위해 (Section 5. 폭발, 화재시 대처방법의 적절한 소화제)을(를) 사용하시오.
P403 환기가 잘 되는 곳에 보관하시오.
P405 밀봉하여 저장하시오.
P403+P233 용기는 환기가 잘 되는 곳에 단단히 밀폐하여 저장하시오.

N-부틸메르캅탄 C화학적 특성, 용도, 생산

개요

Butane thiol, also known as butyl mercaptan, is a volatile, clear to yellowish liquid with a fetid (extremely foul-smelling) odor, commonly described as "skunk" odor. In fact, butanethiol is structurally similar to several major constituents of a skunk's defensive spray but is not actually present in the spray. The scent of butanethiol is so strong that the human nose can easily detect it in the air at concentrations as low as 10 parts per billion. The threshold level for 1-butane thiol is reported as 1.4 ppb.

화학적 성질

Butanethiol is chemically classified among the thiols, which are organic compounds with molecular formulas and structural formulas similar to alcohols, except that sulfur-containing sulfhydryl group (- SH) replaces the oxygen-containing hydroxyl group in the molecule. Butanethiol's basic molecular formula is C4H9SH, and its structural formula is similar to that of the alcohol n-butanol. Butanethiol is prepared by the free radical catalyzed addition of hydrogen sulfide to 1-butene. Commercially, this is performed using ultraviolet light. Butanethiol is a thiol of low molecular weight, and it is highly flammable.

화학적 성질

1-Butanethiol has an unpleasant (skunk) odor.

화학적 성질

colourless liquid

화학적 성질

Butanethiol is also known as butyl mercaptan. It is a volatile, highly flammable clear to yellowish liquid with an extremely foul-smelling, strong, garlic-, cabbageor skunk-like Butanethiol is also known as butyl mercaptan. It is a volatile, highly flammable clear to yellowish liquid with an extremely foul-smelling, strong, garlic-, cabbageor skunk-like

물리적 성질

Clear, colorless liquid with a strong garlic, cabbage, or pungent skunk-like odor. Odor threshold concentrations of 0.0028 ppbv and 3.7 μg/m3 (1.0 ppbv) were reported by Katz and Talbert (1930) and Nagata and Takeuchi (1990), respectively.

출처

Reported found in beef, cheddar cheese, raw chicken, cooked potatoes, beer and boiled eggs.

용도

Intermediate, solvent.

용도

Butanethiol is used as an industrial solvent , and as an intermediate for cotton defoliants. It is some times placed in the "stink bombs" and "stink perfumes" for prankster.

일반 설명

Butanethiol is also known as butyl mercaptan. It is a volatile, clear to yellowish liquid with an extremely foul smell, with a strong, garlic-, cabbage-, or skunk-like odour. It is slightly oily in nature. Butanethiol is used as a chemical intermediate in the production of insecticides and herbicides. It is also used as a gas odorant.

공기와 물의 반응

Highly flammable. Slightly soluble in water.

반응 프로필

Butanethiol is incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. May liberate hydrogen sulfide upon decomposition or reaction with an acid. Incompatible with strong oxidizing agents [USCG, 1999].

위험도

Toxic by inhalation. Flammable, dangerous fire risk. Upper respiratory tract irritant.

건강위험

Inhalation causes loss of sense of smell; muscular weakness. convulsions, and respiratory paralysis may follow prolonged exposure. Contact of liquid with eyes or skin causes slight irritation. Ingestion causes nausea.

건강위험

Exposures to butanethiol cause adverse health effects and poisoning. The symptoms of poisoning in exposed workers include, but are not limited to, asthenia, muscular weak ness, malaise, sweating, nausea, vomiting, headache, restlessness, increased respiration, incoordination, muscular weakness, skeletal muscle paralysis in most cases, heavy to mild cyanosis, lethargy and/or sedation, respiratory depression followed by coma. Severe cases of poisoning lead to death of the exposed worker. In laboratory studies, animals given intraperitoneal and oral exposures of butane thiol survived near-lethal single doses. However, after 20 days post-treatment, animals showed pathological changes involving liver and kidney damage. The pathomorpho logical changes in the liver included cloudy swelling, fatty degeneration, and necrosis. Pathological changes in the kidneys included cloudy swelling, and the lungs displayed capillary engorgement, patchy edema, and occasional hemorrhage

화학 반응

Reactivity with Water No reaction; Reactivity with Common Materials: No reactions; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion. An eye irritant. Dangerous fire hazard by exposure to heat, flame, sparks, or powerful oxidizers. Reacts violently with HNO3. Incompatible with acids, acid fumes, oxidizing materials, heat, flame, and sparks. To fight fire, use alcohol foam. When heated to decomposition it emits toxic SOx. See also MERCAPTANS.

Safety

Butanethiol is a very noxious and caustic chemical compound, and at sufficiently high concentrations, it produces serious health effects in both humans and animals, especially as a result of prolonged exposure. Higher concentrations can lead to unconsciousness and coma after prolonged exposure. Contact with the skin and mucous membranes causes burns, and contact with the eyes can lead to blurred vision or complete blindness.
Inhalation may cause weakness, confusion, cough, dizziness, drowsiness, headache, nausea, vomiting, and shortness of breath. The substance irritates the eyes, the skin, and the respiratory tract. It may cause effects on the thyroid and the nervous system and could cause lowering of consciousness.

잠재적 노출

Butyl mercaptan is a flammable, colorless liquid with a strong, skunk-like odor. The Odor Threshold in air is 0.00097 ppm. Molecular weight 5 90.19; Specific gravity (H2O:1) 5 0.83 @ 20C; boiling point 5 99C;freezing/melting point 5 2116C; vapor pressure 5 35 mmHg @ 20C; 75 mmHg @ 34.5C; relative vapor density (air 5 1) 5 3.1; Flash point 5 2C (cc); Autoignition temperature # 225C. Explosive limits: LEL: 1.4%; UEL: 10.2%. Hazard identification (based on NFPA-704 M Rating System): Health 1; flammability 3; reactivity 0 ?. Slightly soluble in water; solubility 5 0.06% @ 20C.

환경귀착

Chemical/Physical. Releases toxic sulfur oxide fumes when heated to decomposition (Sax and Lewis, 1987).

운송 방법

UN2347 Butyl mercaptan, Hazard Class: 3; Labels: 3—Flammable liquid

Purification Methods

Dry the thiol with CaSO4 or Na2SO4, then reflux it over magnesium, or dry with, and distil it from CaO, under nitrogen [Roberts & Friend J Am Chem Soc 108 7204 1986.] It has been separated from hydrocarbons by extractive distillation with aniline. Dissolve it also in 20% NaOH, extract with a small amount of *C6H6, then steam distil it until clear. The solution is then cooled and acidified slightly with 15% H2SO4. The thiol is distilled out, dried with CaSO4 or CaCl2, and fractionally distilled under N2 [Mathias & Filho J Phys Chem 62 1427 1958]. It has also been purified by precipitation as the lead mercaptide from alcoholic solution, then regeneration by adding dilute HCl to the residue followed by steam distillation. All operations should be carried out in a fume cupboard due to the TOXICITY and obnoxious odour of the thiol. [Beilstein 1 IV 1555.]

비 호환성

May form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Attacks some plastics and rubber

폐기물 처리

Incineration (1093C) followed by scrubbing with a caustic solution.

주의 사항

Butanethiol decomposes an heading and release toxic fumes. It reacts with strong acids, bases and strong oxidants. Workers during handling of butanethiol should be very careful, should avoid open flames, sparkings, and smoking. Chemical vapor/air mixtures cause explosion ha3 and workers should wear protective cloathing, safety goggles and breathing apparatus and should work in good ventillation

N-부틸메르캅탄 준비 용품 및 원자재

원자재

준비 용품


N-부틸메르캅탄 공급 업체

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