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Merck 106507 Sodium Dithionite For Analysis . Sodium Dithionite For Analysis Cas No. 7775-14-6, Ec Number 231-890-0. Sodium Dithionite For Analysis Msds (Material Safety Data Sheet) Or Sds Here. 500 gr

Merck 106507 Sodium Dithionite For Analysis . Sodium Dithionite For Analysis Cas No. 7775-14-6, Ec Number 231-890-0. Sodium Dithionite For Analysis Msds (Material Safety Data Sheet) Or Sds Here. 500 gr

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Merck 106507 Sodium Dithionite For Analysis . Sodium Dithionite For Analysis Cas No. 7775-14-6, Ec Number 231-890-0. Sodium Dithionite For Analysis Msds (Material Safety Data Sheet) Or Sds Here. 500 gr

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MERCK

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LB.M.106507.0500

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MERCK 106507

Sodium dithionite for analysis EMSURE®

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

Product Information
CAS number	7775-14-6
EC index number	016-028-00-1
EC number	231-890-0
Hill Formula	Na₂O₄S₂
Chemical formula	Na₂S₂O₄
Molar Mass	174.11 g/mol
HS Code	2831 10 00

Physicochemical Information
Density	2.5 g/cm3 (20 °C)
Flash point	>100 °C
Ignition temperature	>200 °C
Melting Point	100 °C (decomposition)
pH value	7 - 9 (50 g/l, H₂O, 20 °C)
Bulk density	1250 kg/m3
Solubility	250 g/l (20 °C) (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 water endangering
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	Oxidising Harmful
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 +5 °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

Specifications
Specifications
Assay (iodometric)	≥ 85 %
Identity	passes test
Chloride (Cl)	≤ 0.01 %
Fe (Iron)	≤ 0.002 %

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Merck 106507 Sodium Dithionite For Analysis . Sodium Dithionite For Analysis Cas No. 7775-14-6, Ec Number 231-890-0. Sodium Dithionite For Analysis Msds (Material Safety Data Sheet) Or Sds Here. 500 gr

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