MERCK 106437.1000 Sodium Cyanide Pure CAS No.143-33-9

Key Spec Table

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass
143-33-9	205-599-4	CNNa	NaCN	49.01 g/mol

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Description
Catalogue Number	106437

Product Information
CAS number	143-33-9
EC index number	006-007-00-5
EC number	205-599-4
Hill Formula	CNNa
Chemical formula	NaCN
Molar Mass	49.01 g/mol
HS Code	2837 11 00
Structure formula Image
Quality Level	MQ200

Physicochemical Information
Boiling point	1496 °C (1013 hPa)
Density	1.59 kg/m3 (20 °C)
Melting Point	563.7 °C
pH value	11.0 - 12.0 (49.0 g/l, H₂O, 25 °C)
Bulk density	750 - 900 kg/m3
Solubility	370 g/l

Toxicological Information
LD 50 oral	LD50 Rat 4.7 mg/kg
LD 50 dermal	LD50 Rabbit 7.7 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H290: May be corrosive to metals.H300 + H310 + H330: Fatal if swallowed, in contact with skin or if inhaled.H372: Causes damage to organs through prolonged or repeated exposure.H410: Very toxic to aquatic life with long lasting effects.EUH032: Contact with acids liberates very toxic gas.
Precautionary Statement(s)	P262: Do not get in eyes, on skin, or on clothing.P264: Wash skin thoroughly after handling.P273: Avoid release to the environment.P280: Wear protective gloves/ protective clothing.P302 + P352 + P310: IF ON SKIN: Wash with plenty of water. Immediately call a POISON CENTER/doctor.P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
Signal Word	Danger
Storage class	6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK	WGK 3 highly hazardous to water
Disposal	6Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.

Safety Information
Categories of danger	very toxic, dangerous for the environment

Storage and Shipping Information
Storage	NoTempLimit

Transport Information
Declaration (railroad and road) ADR, RID	UN 1689, 6.1, I
Declaration (transport by air) IATA-DGR	UN 1689, 6.1, I
Declaration (transport by sea) IMDG-Code	UN 1689, 6.1, I, Marine Pollutant: P, Segregation Group: 6 (Cyanides)

Specifications
Assay (argentometric)	≥ 95.0 %
Identity	passes test
Chloride (Cl)	≤ 0.05 %
Hexacyanoferrate	≤ 0.05 %
Sulphide (S)	≤ 0.02 %
Pb (Lead)	≤ 0.005 %