Sodium dithionite

Sodium dithionite MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

CAS #: 7775-14-6 EC Number: 231-890-0 Molar Mass: 174.11 g/mol Chemical Formula: Na₂S₂O₄ Hill Formula: Na₂O₄S₂

Replacement Information
Replacement Information	In North America 1.06507.0500 replaces and is identical to SX0530-1

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass
7775-14-6	231-890-0	Na₂O₄S₂	Na₂S₂O₄	174.11 g/mol

Pricing & Availability

Catalogue Number	Availability	Packaging	Qty/Pack	Price	Quantity
1065070500	— Contact Customer Service	Metal can	500 g	Upon Order Completion More Information	—	Add To Favorites
1065072500	— Contact Customer Service	Metal can	2.5 kg	Upon Order Completion More Information	—	Add To Favorites

Catalogue Number

Availability

Packaging

Qty/Pack

Price

Quantity

1065070500

—

Metal can

500 g

Upon Order Completion

—

1065072500

—

Metal can

2.5 kg

Upon Order Completion

—

Description
Catalogue Number	106507
Replaces	SX0530; SX0530-1
Synonyms	Sodium hydrosulfite, Sodium hypodisulfite

Physicochemical Information
Density	2.5 g/cm3 (20 °C)
Flash point	>100 °C
Ignition temperature	>200 °C
Melting Point	100 °C (decomposition)
pH value	5.5 – 8.5 (50 g/l, H₂O, 20 °C)
Bulk density	1250 kg/m3
Solubility	250 g/l (slow decomposition)

Toxicological Information
LD 50 oral	LD50 Rat 2500 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H251: Self-heating: may catch fire. EUH031: Contact with acids liberates toxic gas.
Signal Word	Danger
Storage class	4.2 Pyrophoric and self-heating hazardous materials
WGK	WGK 1 slightly hazardous to water
Disposal	6 Sulfides 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
Hazard Symbols	Harmful Oxidising
Categories of danger	oxidizing, harmful
R Phrase	R 7-22-31 May cause fire.Harmful if swallowed.Contact with acids liberates toxic gas.
S Phrase	S 3/7-14 Keep container tightly closed in a cool place.Keep away from .?.

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1384 , 4.2, II
Declaration (transport by air) IATA-DGR	UN 1384 , 4.2, II
Declaration (transport by sea) IMDG-Code	UN 1384 , 4.2, II