sodium hydrosulfide cas no:16721-80-5

Namesodium hydrosulfide
CAS16721-80-5
SynonymsSodium sulfohydrate; sodium hydrosulphide
EINECS(EC#)240-778-0
Molecular FormulaNaHS
Molecular Weight56.06

AppearanceYellowish and crystal
storage tempKeep containers tightly closed in a well ventilated area away from food products. Keep away from heat and water. Store at temperatures above 63 degrees F.
Sensitive Moisture Sensitive & Hygroscopic

Hazardclass4.2

Hazard C:Corrosive
Risk R31;R34
Safety

Hazard Codes:?C,F
Risk Statements: 31-34?
R31: Contact with acids liberates toxic gas.?
R34: Causes burns.
Safety Statements: 25-36/37/39-45-50?
S25: Avoid contact with eyes.?
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.?
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)?
S50: Do not mix with ...
RIDADR: 2318
HazardClass: 4.2
PackingGroup: II
Hazardous Substances Data: 16721-80-5(Hazardous Substances Data)
Poison by intraperitoneal and subcutaneous routes. Mutation data reported. A corrosive irritant to skin, eyes, and mucous membranes. Flammable when exposed to heat or flame. Spontaneous combustion. Reacts violently with diazonium salts. Readily yields H₂S. When heated to decomposition it emits toxic fumes of SO_x and Na₂O. See also SULFIDES and MERCAPTANS.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	18mg/kg (18mg/kg)	BEHAVIORAL: COMA	Drug and Chemical Toxicology. Vol. 1, Pg. 327, 1978.
mouse	LD50	subcutaneous	200mg/kg (200mg/kg)	PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES	Japanese Journal of Pharmacology. Vol. 3, Pg. 99, 1954.
rat	LD50	intraperitoneal	14600ug/kg (14.6mg/kg)	?	Biochemical Pharmacology. Vol. 38, Pg. 973, 1989.