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

Applications
Application	Methyl orange (C.I. 13025) indicator ACS,Reag. Ph Eur. CAS 547-58-0, pH 6.5 (5 g/l, H₂O, 20 °C).

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)	P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word	Danger
Storage class	6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
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
Hazard Symbols	Toxic
Categories of danger	toxic
R Phrase	R 25 Toxic if swallowed.
S Phrase	S 37-45 Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

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

Transport Information
Declaration (railroad and road) ADR, RID	UN 2811 , 6.1, I
Declaration (transport by air) IATA-DGR	UN 2811 , 6.1, I
Declaration (transport by sea) IMDG-Code	UN 2811 , 6.1, I

Specifications
Transition range	pH 3.1 - pH 4.4 pink - orange yellow
Appearance of solution	passes test
Loss on drying (110 °C)	≤ 5
Transition range (according to ACS)	passes test
Sensitivity test	passes test

Taksit Seçenekleri

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Bu ürüne benzer farklı alternatifler olmalı.

MERCK 101322 Methyl orange (C.I. 13025) indicator ACS,Reag. Ph Eur. CAS 547-58-0, pH 6.5 (5 g/l, H₂O, 20 °C)

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