LC409 Aminoiminomethanesulfinic acid

for synthesis

Product information
Synonyms	FormamidinesulfInic acid, Thiourea dioxide
Hill Formula	CH₄N₂O₂S
Chemical formula	HN=C(NH₂)SO₂H
HS Code	2930 90 99
EC number	217-157-8
Molar mass	108.12 g/mol
CAS number	1758-73-2

Safety information
R Phrase	R 22-26-36/38 Harmful if swallowed.Very toxic by inhalation.Irritating to eyes and skin.
S Phrase	S 26-28-36/37-45 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, wash immediately with plenty of water.Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger	very toxic, irritant
Hazard Symbol	Very toxic
RTECS	PB0372500
Storage class	4.2S Spontaneously Combustible Solids
WGK	WGK 1 slightly 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).

Transport information
Declaration (transport by sea) IMDG-Code	UN 3341 THIOUREA DIOXIDE, 4.2, III
Declaration (transport by air) IATA-DGR	UN 3341 THIOUREA DIOXIDE, 4.2, III