آمونیوم تیو سولفات 101208 مرک

Description
Catalogue Number	101208

Product Information
CAS number	7783-18-8
EC number	231-982-0
Hill Formula	H₈N₂O₃S₂
Chemical formula	(NH₄)₂S₂O₃
Molar Mass	148.19 g/mol
HS Code	2832 30 00

Applications
Application	Ammonium thiosulfate 98%+. CAS No. 7783-18-8, EC Number 231-982-0.

Physicochemical Information
Density	1.64 g/cm3 (23 °C)
Melting Point	150 °C (decomposition)
pH value	6.0 - 6.5 (50 g/l, H₂O, 20 °C)
Bulk density	650 kg/m3
Solubility	1800 g/l

Toxicological Information
LD 50 oral	LD50 Rat 2890 mg/kg

Safety Information according to GHS
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly water endangering
Disposal	14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Storage and Shipping Information
Storage	Store at +5°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good

Specifications
Assay (iodometric)	≥ 98.0 %
pH-value (5 %; water)	5.0 - 7.0
Chloride (Cl)	≤ 0.05 %
Sulfate and sulphite (as SO₄)	≤ 1 %
Sulphide (S)	≤ 0.001 %
Heavy metals (as Pb)	≤ 0.002 %
Ca (Calcium)	≤ 0.005 %
Fe (Iron)	≤ 0.002 %
Na (Sodium)	≤ 2 %