Ammonium thiocyanate

Modify Date: 2024-01-01 18:00:12

Ammonium thiocyanate Structure
Ammonium thiocyanate structure
Common Name Ammonium thiocyanate
CAS Number 1762-95-4 Molecular Weight 76.121
Density 1.3 Boiling Point 146ºC at 760 mmHg
Molecular Formula CH4N2S Melting Point 152-154 °C(lit.)
MSDS Chinese USA Flash Point 190 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name Ammonium Thiocyanate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3
Boiling Point 146ºC at 760 mmHg
Melting Point 152-154 °C(lit.)
Molecular Formula CH4N2S
Molecular Weight 76.121
Flash Point 190 °C
Exact Mass 76.009521
PSA 65.83000
LogP 0.72118
Vapour Pressure 2.86E-06mmHg at 25°C
Stability Stable. Incompatible with strong acids, strong oxidizing agents. Forms explosive mixtures with lead nitrate.
Water Solubility 163 g/100 mL (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XK7875000
CHEMICAL NAME :
Thiocyanic acid, ammonium salt
CAS REGISTRY NUMBER :
1762-95-4
LAST UPDATED :
199710
DATA ITEMS CITED :
11
MOLECULAR FORMULA :
C-H-N-S.H3-N
MOLECULAR WEIGHT :
76.13
WISWESSER LINE NOTATION :
SHCN &ZH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human
DOSE/DURATION :
430 mg/kg
TOXIC EFFECTS :
Behavioral - hallucinations, distorted perceptions Gastrointestinal - nausea or vomiting Gastrointestinal - other changes
REFERENCE :
DAKMAJ Deutsches Archiv fuer Klinische Medizin. (Leipzig, Ger. Dem. Rep.) V.1-211, 1865-1965. For publisher information, see EJCIB8. Volume(issue)/page/year: 102,606,1911
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
750 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(10),51,1986
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(10),51,1986
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(10),51,1986
TYPE OF TEST :
LC - Lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
>100 mg/m3
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(10),51,1986 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 5 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80258 No. of Facilities: 7280 (estimated) No. of Industries: 54 No. of Occupations: 50 No. of Employees: 36582 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80258 No. of Facilities: 10883 (estimated) No. of Industries: 79 No. of Occupations: 98 No. of Employees: 90585 (estimated) No. of Female Employees: 23403 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302 + H312 + H332-H412
Supplemental HS Contact with acids liberates very toxic gas.
Precautionary Statements P273-P280
Personal Protective Equipment Eyeshields;Faceshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)
Hazard Codes Xn:Harmful
Risk Phrases R20/21/22;R32;R52/53
Safety Phrases S13-S61-S36/37
RIDADR 9092
WGK Germany 1
RTECS XK7875000
HS Code 28380000

 Customs

HS Code 28380000

 Articles42

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 Synonyms

Ammonium thiocyanate
THIOCYANIC ACID, AMMONIUM SALT
EINECS 217-175-6
Ammonium thiocyanate concentrate
MFCD00011428
Thiocyanic acid ammonium salt
Ammonium rhodanide
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