Merck 108380 0010 2,3,5-Triphenyltetrazolium Chloride For Microbiology UN1325 4.1, II 10 GR.

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Description
Catalogue Number	108380
Synonyms	TTC, TT

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Product Information
HS Code	2933 99 99
Structure formula Image
Quality Level	MQ200

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Physicochemical Information
Melting Point	243 °C (decomposition)
pH value	3.7 (10 g/l, H₂O, 20 °C)
Bulk density	230 kg/m3
Solubility	150 g/l

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n
Hazard Statement(s)	H228: Flammable solid.\nH315: Causes skin irritation.\nH319: Causes serious eye irritation.
Precautionary Statement(s)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.\nP240: Ground and bond container and receiving equipment.\nP241: Use explosion-proof electrical/ ventilating/ lighting equipment.\nP264: Wash skin thoroughly after handling.\nP302 + P352: IF ON SKIN: Wash with plenty of water.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Danger
Storage class	4.1B Flammable solid hazardous materials
WGK	WGK 3 highly hazardous to water
Disposal	3\nRelatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

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Safety Information
Categories of danger	highly flammable

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

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Transport Information
Declaration (railroad and road) ADR, RID	UN 1325 , 4.1, II
Declaration (transport by air) IATA-DGR	UN 1325 , 4.1, II
Declaration (transport by sea) IMDG-Code	UN 1325 , 4.1, II

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Specifications
Assay (perchloric acid titration, calculated on dried substance)	≥ 98 %
Identity (UV/VIS-Spectrum)	passes test
Absorption maximum λmax. (water)	245 - 248 nm
Spec. Absorptivity A 1%/1cm (λmax; 0,01 g/l; water; calculated on dried substance)	≥ 770
TLC-Test	passes test
Loss on drying (70 °C; ≤ 1 hPa)	≤ 0.5 %
Suitability for testing the germinability of seeds	passes test
Suitability for microbiology	passes test