Methyl orange (C.I. 13025)

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Methyl orange (C.I. 13025)

Methyl orange (C.I. 13025)

ProductType:Chemicals

Product Category:Laboratory chemicals

Product Sub Category:Merck Millipore

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Description
Catalogue Number	101322
Synonyms	4-Dimethylaminoazobenzene-4'-sulfonic acid sodium salt, Gold orange, Helianthine, Orange III

Product Information
CAS number	547-58-0
EC number	208-925-3
Grade	ACS,Reag. Ph Eur
Hill Formula	C₁₄H₁₄N₃NaO₃S
Molar Mass	327.34 g/mol
HS Code	2927 00 00
Structure formula Image
Quality Level	MQ200

Physicochemical Information
Melting Point	>300 °C
pH value	6.5 (5 g/l, H₂O, 20 °C)
Bulk density	200 - 400 kg/m3
Solubility	5 g/l

Toxicological Information
LD 50 oral	LD50 Rat 60 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H301: Toxic if swallowed.
Precautionary Statement(s)	P264: Wash skin thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER/doctor. P405: Store locked up. P501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word	Danger
Storage class	6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK	WGK 3 highly hazardous to water
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
Categories of danger	toxic

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

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