chemistrery logo

Log in Register

Login to your account

Username *
Password *
Remember Me

Sodium dithionite for analysis

for analysis
CAS No. 7775-14-6,
EC Number 231-890-0.
Code: 1065070500
To display price and insert in cart, please register or login to your account.

for analysis CAS No. 7775-14-6, EC Number 231-890-0.
Replacement Information
Replacement Information In North America 1.06507.0500 replaces and is identical to SX0530-1
 

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
7775-14-6 231-890-0 Na₂O₄S₂ Na₂S₂O₄ 174.11 g/mol
Description
Catalogue Number 106507
Replaces SX0530; SX0530-1
Synonyms Sodium hydrosulfite, Sodium hypodisulfite
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
Applications
Application 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.
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.
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
Assay (iodometric) ≥ 85 %
Identity passes test
Chloride (Cl) ≤ 0.01 %
Fe (Iron) ≤ 0.002 %
 logo new

instagram l   Telegram Messenger