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LC898 Cacodylic acid sodium salt trihydrate

buffer substance for biochemistry

 

Order number Packaging Quantity Price €
AC27898 Glass bottle 10 g 24.98
AC27898 Glass bottle 100 g 105.30

 

Product information
Synonyms Dimethylarsinic acid sodium salt, Cacodylic acid sodium salt
Hill Formula C2H6AsNaO2 * 3 H2O
Chemical formula C2H6AsO2Na * 3 H2O
HS Code 2931 00 99
EC number 204-708-2
Molar mass 214.05 g/mol
EC index number 033-002-00-5
CAS number 6131-99-3

 

Chemical and physical data
Solubility 2000 g/l (20 °C)
Melting point 60 °C
Molar mass 214.05 g/mol
Bulk density 870 kg/m3
pH value 9.0 – 9.5 (100 g/l, H2O, 20 °C)

 

Safety information according to GHS
Hazard Statement(s) H331: Toxic if inhaled.
H301: Toxic if swallowed.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) P273: Avoid release to the environment.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Signal Word Danger
Hazard Symbol

Storage class 6.1B Non combustible substances, toxic
WGK WGK 3 highly water endangering
Disposal 9
Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).

 

Safety information
R Phrase R 23/25-50/53
Toxic by inhalation and if swallowed.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 22-35-36/37-45-57-61
Do not breathe dust.This material and its container must be disposed of in a safe way.Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Use appropriate container to avoid environmental contamination.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger toxic, dangerous for the environment
Hazard Symbol Toxic
Dangerous for the environment

 

Transport information
Declaration (transport by sea) IMDG-Code UN 1688 SODIUM CACODYLATE, 6.1, II
Declaration (transport by air) IATA-DGR UN 1688 SODIUM CACODYLATE, 6.1, II

 

Toxicological data
LD 50 oral LD50 rat 2600 mg/kg

 

Specifications
Assay (perchloric acid titration) ≥ 98 %
Appearance of solution (10 %, water, 20 °C) conforms
Chloride (Cl) ≤ 0.01 %
Cd (Cadmium) ≤ 0.005 %
Cu (Copper) ≤ 0.005 %
Fe (Iron) ≤ 0.005 %
Pb (Lead) ≤ 0.005 %
Zn (Zinc) ≤ 0.005 %

 

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