Information
X


Merck Chemicals

more less

821119  Thiosemicarbazide
for synthesis

For general questions please contact our Customer Service:

Merck KGaA
Frankfurter Str. 250
64293 Darmstadt
Germany
Phone: +49 6151 72-0
Fax: +49 6151 72 2000

Contact us


19 April 2014

loading
 
Product number Packaging Qty/Pk Quantity Price
8211190250  Plastic bottle   250 g  loading
8211191000  Plastic bottle   1 kg  loading
Prices are subject to change without notice.
Product information
Hill Formula CH5N3S
Chemical formula H2NCSNHNH2
HS Code 2930 90 99
EC number 201-184-7
Molar mass 91.13 g/mol
CAS number 79-19-6
Chemical and physical data
Solubility (20 °C) soluble
Melting point 178 - 180 °C (decomposition)
Molar mass 91.13 g/mol
Bulk density 500 - 600 kg/m3
pH value 5 - 7 (50 g/l, H2O, 20 °C)
Safety information according to GHS
Hazard Statement(s) H300: Fatal if swallowed.
Precautionary Statement(s) P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word Danger
Hazard Pictogram(s)
Storage class 6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
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 28
Very toxic if swallowed.
S Phrase S 28-36/37-45
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
Hazard Symbol
Very toxic
Transport information
Declaration (railroad and road) ADR, RID UN 2811 Giftiger organischer fester Stoff, n.a.g.(THIOSEMICARBAZID), 6.1, II
Declaration (transport by sea) IMDG-Code UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(THIOSEMICARBAZIDE), 6.1, II
Declaration (transport by air) IATA-DGR UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(THIOSEMICARBAZIDE), 6.1, II
Toxicological data
LD 50 oral LD50 rat 9.16 mg/kg
LD 50 dermal LD50 rabbit 2200 mg/kg
Thiosemicarbazide, molecular structure

© Merck KGaA, Darmstadt, Germany, 2014


x

Welcome to Merck Millipore

 

Europe, Middle East and Africa Asia / Pacific North America, Central America and the Caribbean South America

Please choose your country:

North America, Central America and the Caribbean

South America

Europe, Middle East and Africa

Asia / Pacific

All countries from A to Z

If you can't find your country please click here.

 

Privacy Statement

 

x

Merck Chemicals Cart ()

You are entering the Millipore online shop. Both carts are maintained for you while you shop between sites. We recommend to complete your Merck order before visiting Millipore.com.

Go to Millipore Proceed to checkout


What kind of products are you looking for?

Millipore

Bio manufacturing and Life science.

Merck Chemicals

High-quality industrial and laboratory chemicals.


Important message


It is currently not possible to order Bioscience products together with other Merck products. We recommend completing your current order first.

Do you wish to proceed without completing your current order? If so, this will empty your shopping cart.