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正丁硫醇

正丁硫醇用途

【用途一】
用于合成橡胶工业
【用途二】
GB 2760-96规定为允许使用的食品用香料。主要用于干酪、牛肉、鸡蛋、洋葱、大蒜等制品。
【用途三】
有机合成中间体；警告剂。

正丁硫醇名称

[ CAS 号 ]:
109-79-5

[ 中文名 ]:
丁硫醇

[ 英文名 ]:
butanethiol

[中文别名 ]:

[英文别名 ]:

n-Butanethiol
Butyl Mercaptan
EINECS 203-705-3
MFCD00004905
1-Butanethiol,AcroSeal
n-butyl mercaptan
Butane-1-thiol
n-Butylmercaptan
n-Butylthiol
Butyl mercaptan,Mercaptan C4

正丁硫醇物理化学性质

[ 密度 ]:
0.8±0.1 g/cm3

[ 沸点 ]:
98.2±3.0 °C at 760 mmHg

[ 熔点 ]:
−116 °C(lit.)

[ 分子式 ]:
C₄H₁₀S

[ 分子量 ]:
90.187

[ 闪点 ]:
12.8±0.0 °C

[ 精确质量 ]:
90.050323

[ PSA ]:
38.80000

[ LogP ]:
2.31

[ 外观性状 ]:
透明液体

[ 蒸汽密度 ]:
3.1 (vs air)

[ 蒸汽压 ]:
46.3±0.2 mmHg at 25°C

[ 折射率 ]:
1.437

[ 储存条件 ]:
库房通风低温干燥,防热,明火,火花,与氧化剂、酸类分开存放

[ 稳定性 ]:
Stable. Incompatible with oxidizing agents, bases, alkali metals. Highly flammable. May discolour on exposure to air.

[ 水溶解性 ]:
0.60 g/100 mL. Slightly soluble

正丁硫醇MSDS

正丁硫醇毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EK6300000

CHEMICAL NAME :: n-Butanethiol

CAS REGISTRY NUMBER :: 109-79-5

BEILSTEIN REFERENCE NO. :: 1730908

LAST UPDATED :: 199712

DATA ITEMS CITED :: 34

MOLECULAR FORMULA :: C4-H10-S

MOLECULAR WEIGHT :: 90.20

WISWESSER LINE NOTATION :: SH4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 19,171,1958 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1500 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory depression Behavioral - coma

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 19,171,1958

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4020 ppm/4H

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - respiratory stimulation Behavioral - somnolence (general depressed activity) Sense Organs and Special Senses (Eye) - lacrimation

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 19,171,1958

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 399 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory depression Behavioral - coma

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 19,171,1958

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,982,1986

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2500 ppm/4H

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - respiratory stimulation Behavioral - somnolence (general depressed activity) Sense Organs and Special Senses (Eye) - lacrimation

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 19,171,1958

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 770 ppm/30M

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,982,1986 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1114 ppm/6H/2W-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555470 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

DOSE :: 68 ppm/6H

SEX/DURATION :: female 6-16 day(s) after conception

REFERENCE :: FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 8,170,1987 *** REVIEWS *** ACGIH TLV-TWA 1.8 mg/m3 (0.5 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 ppm (1.5 mg/m3) DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8. Volume(issue)/page/year: 3,12,1973 OSHA PEL (Gen Indu):8H TWA 10 ppm (35 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.5 ppm (1.5 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.5 ppm (1.5 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 10 ppm (35 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRIA:TWA 0.5 ppm (1.5 mg/m3) JAN 1993 OEL-DENMARK:TWA 0.5 ppm (1.5 mg/m3) JAN 1993 OEL-FINLAND:TWA 0.5 ppm (1.5 mg/m3);STEL 1.5 ppm (4.5 mg/m3) JAN 1993 OEL-FRANCE:TWA 0.5 ppm (1.5 mg/m3) JAN 1993 OEL-GERMANY:TWA 0.5 ppm (1.5 mg/m3) JAN 1993 OEL-INDIA:TWA 0.5 ppm (1.5 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 0.5 ppm (1.5 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 10 ppm (35 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 0.5 ppm (1.9 mg/m3);STEL 1 ppm (3.8 mg/m3) JAN 1993 OEL-TURKEY:TWA 10 ppm (35 mg/m3) JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO 1-BUTANETHIOL-air:CL 0.5 ppm/15M REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 13785 No. of Facilities: 71 (estimated) No. of Industries: 2 No. of Occupations: 7 No. of Employees: 2764 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 13785 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 8 No. of Employees: 106 (estimated) No. of Female Employees: 3 (estimated)

正丁硫醇安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H225-H302 + H332-H315-H317-H319-H335

[ 警示性声明 ]:
P210-P261-P280-P305 + P351 + P338

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
F:Flammable;Xn:Harmful;

[ 风险声明 (欧洲) ]:
R11;R21/22

[ 安全声明 (欧洲) ]:
S16-S23-S26-S36-S9-S36/37-S33

[ 危险品运输编码 ]:
UN 2347 3/PG 2

[ WGK德国 ]:
3

[ RTECS号 ]:
EK6300000

[ 包装等级 ]:
II

[ 危险类别 ]:
3

[ 海关编码 ]:
2930909090

正丁硫醇合成路线

正丁硫醇上下游产品

正丁硫醇上游产品

正丁硫醇下游产品

正丁硫醇制备

由溴丁烷与硫脲反应而得。硫脲、溴丁烷在甲醇溶剂中加热回流3h，回收甲醇后加入稀碱液再继续回流6h。冷却，慢慢加入1：2稀硫酸至pH2，随着稀硫酸的加入，就有丁硫醇蒸出。加完硫酸后通水蒸气蒸馏，蒸至无油珠馏出为止。分取油层，用无水氯化钙干燥，分馏收集97-98℃馏分即为成品。

正丁硫醇海关

[ 海关编码 ]: 2930909090

[ 中文概述 ]:
2930909090. 其他有机硫化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

正丁硫醇文献

Sol-gel-based silver nanoparticles-doped silica – Polydiphenylamine nanocomposite for micro-solid-phase extraction.

Anal. Chim. Acta 886 , 56-65, (2015)

A nanocomposite of silica-polydiphenylamine doped with silver nanoparticles (Ag-SiO2-PDPA) was successfully synthesized by the sol-gel process. For its preparation, PDPA was mixed with butanethiol cap...

Development of experiment and theory to detect and predict ligand phase separation on silver nanoparticles.

Angew. Chem. Int. Ed. Engl. 54 , 6479-82, (2015)

MALDI mass-spectrometry measurements are combined with self-consistent mean-field (SCF) calculations to detect and predict ligand phase separation on Ag nanoparticles. The experimental and theoretical...

Analysis of chemical warfare agents. II. Use of thiols and statistical experimental design for the trace level determination of vesicant compounds in air samples.

J. Chromatogr. A. 1068(2) , 315-26, (2005)

Thermal desorption with gas chromatography-mass spectrometry (TD-GC-MS) remains the technique of choice for analysis of trace concentrations of analytes in air samples. This paper describes the develo...

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