send us an inquiry |
LC3851 Methyl orange (C.I. 13025)indicator ACS,Reag. Ph Eur |
Order number | Packaging | Quantity | Price € |
AC30851 | Glass bottle | 25 g | 23.4 |
AC30851 | Glass bottle | 100 g | 38.25 |
AC30851 | Metal can | 1 kg | 262.8 |
Product information | |
Grade | ACS,Reag. Ph Eur |
Synonyms | 4-Dimethylaminoazobenzene-4′-sulfonic acid sodium salt, Gold orange, Helianthine, Orange III |
Hill Formula | C14H14N3NaO3S |
HS Code | 2927 00 00 |
EC number | 208-925-3 |
Molar mass | 327.34 g/mol |
CAS number | 547-58-0 |
Chemical and physical data | |
Solubility | 5 g/l (20 °C) |
Melting point | >300 °C |
Molar mass | 327.34 g/mol |
Bulk density | 200 – 400 kg/m3 |
pH value | 6.5 (5 g/l, H2O, 20 °C) |
Safety information according to GHS | |
Hazard Statement(s) | H301: Toxic if swallowed. |
Signal Word | Danger |
Hazard Pictogram(s) | ![]() |
Storage class | Combustible substances, toxic |
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 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). |
Categories of danger | toxic |
Hazard Symbol | ![]() |
Transport information | |
Declaration (transport by sea) IMDG-Code | UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(METHYL ORANGE), 6.1, III |
Declaration (transport by air) IATA-DGR | UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(METHYL ORANGE), 6.1, III |
Toxicological data | |
LD 50 oral | LD50 rat 60 mg/kg |
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 |
![]() |
Disposal