Methyl isothiocyanate

Names

[ CAS No. ]:
556-61-6

[ Name ]:
Methyl isothiocyanate

[Synonym ]:
MFCD00004818
Methyl isothiocyanate
EINECS 209-132-5
methylimino(sulfanylidene)methane
Isothiocyanatomethane
Methane, (methylimino)thioxo-
(methylimino)(thioxo)methane
MITC

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
107.8±3.0 °C at 760 mmHg

[ Melting Point ]:
30-34 °C(lit.)

[ Molecular Formula ]:
C₂H₃NS

[ Molecular Weight ]:
73.117

[ Flash Point ]:
32.2±0.0 °C

[ Exact Mass ]:
72.998619

[ PSA ]:
44.45000

[ LogP ]:
0.94

[ Vapour Pressure ]:
31.2±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.488

[ Stability ]:
Stable. Incompatible with strong oxidizing agents, alcohols, strong bases, amines.

[ Water Solubility ]:
7.6 g/L

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: PA9625000

CHEMICAL NAME :: Methane, isothiocyanato-

CAS REGISTRY NUMBER :: 556-61-6

LAST UPDATED :: 199710

DATA ITEMS CITED :: 27

MOLECULAR FORMULA :: C2-H3-N-S

MOLECULAR WEIGHT :: 73.12

WISWESSER LINE NOTATION :: SCN1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - woman

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay) Behavioral - coma

REFERENCE :: BMJOAE British Medical Journal. (British Medical Assoc., BMA House, Tavistock Sq., London WC1H 9JR, UK) V.1- 1857- Volume(issue)/page/year: 283,18,1981

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 72 mg/kg

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

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

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

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1900 mg/m3/1H

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

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2780 mg/kg

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

REFERENCE :: 85DPAN "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976 Volume(issue)/page/year: -,-,1971/1976

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 54 mg/kg

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

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 59 mg/kg

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

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 90 mg/kg

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

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 75 mg/m3/4H

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

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 34(5),33,1969

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1820 mg/kg

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

REFERENCE :: 85DPAN "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976 Volume(issue)/page/year: -,-,1971/1976

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 82 mg/kg

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

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 50 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 5,505,1955

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 33 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 42,417,1977

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - duck

DOSE/DURATION :: 136 mg/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,581,1991 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3640 mg/kg/13W-I

TOXIC EFFECTS :: Gastrointestinal - other changes Liver - other changes Related to Chronic Data - changes in ovarian weight

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 45 ppm/4H/13W-I

TOXIC EFFECTS :: Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - somnolence (general depressed activity) Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 14400 mg/kg/30D-I

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1820 mg/kg/13W-I

TOXIC EFFECTS :: Gastrointestinal - other changes Liver - other changes Related to Chronic Data - changes in ovarian weight

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 7123 mg/kg/2Y-C

TOXIC EFFECTS :: Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 225 mg/kg/5D-I

TOXIC EFFECTS :: Endocrine - changes in thymus weight Blood - other changes

REFERENCE :: JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 47,479,1996 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 250 mg/kg

SEX/DURATION :: female 6-15 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,297,1990 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.1 mg/m3;Skin JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1140 No. of Facilities: 33 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 1683 (estimated)

Safety Information

[ Symbol ]:

GHS05, GHS06, GHS09

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301 + H331-H310-H314-H317-H410

[ Precautionary Statements ]:
P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P403 + P233

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P2 (EN 143) respirator cartridges;type P3 (EN 143) respirator cartridges

[ Hazard Codes ]:
T:Toxic;N:Dangerousfortheenvironment;

[ Risk Phrases ]:
R23/25;R34;R43;R50/53

[ Safety Phrases ]:
S36/37-S38-S45-S60-S61

[ RIDADR ]:
UN 2477 6.1/PG 1

[ WGK Germany ]:
3

[ RTECS ]:
PA9625000

[ Packaging Group ]:
I

[ Hazard Class ]:
6.1

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Carbon disulphide
Methylamine hydrochloride
Thiophosgene
methylamine
potassium methyldithiocarbamate
N-Methyltrifluoroacetamide
Isocyanomethane
methylimino(triphenyl)-λ5-phosphane
ethyl N-methylcarbamodithioate
1,3-dimethyl-1-nitroso-thiourea

DownStream

N-methylthiophene-2-carbothioamide
mth-dl-leucine
akos ussh-4110200
1-Methyl-1H-tetrazol-5-amine
4-methyl-3-phenyl-1H-1,2,4-triazole-5-thione
Metiamide
Necrostatin-1
3H-1,2,4-Triazole-3-thione,2,4-dihydro-4,5-dimethyl-
3-Methylrhodanine
N,N'-Dimethylthiourea

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methyl isothiocyanate
METHYL ISOTHIOCYANATE
2-Thienylmethyl isothiocyanate
2-Thienylmethyl isothiocyanate
(trimethylsilyl)methyl isothiocyanate
tetrahydrofuran-2-methyl isothiocyanate
2-{1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]azetidin-3-yl}propanoic acid
2-Methyl-4-(5-methylpyrazin-2-yl)butan-2-amine
2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]methyl}-4,4-dimethylpentanoic acid
3-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-4-methylpentanamido}hexanoic acid
8-Methyl-2-(oxan-3-yl)-1,2,3,4-tetrahydroquinolin-3-ol
3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]hexanoic acid
(3S)-3-(dimethyl-1,3-oxazol-2-yl)-3-hydroxypropanoic acid
1-(Dimethyl-1,3-oxazol-2-yl)-2-methylpropan-2-ol
5-[3-(2-methylbut-3-yn-2-yl)phenyl]-1H-1,2,3,4-tetrazole
6-Methoxy-2-(trifluoromethyl)-1,2,3,4-tetrahydroquinolin-3-ol

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