ACID GREEN 50
Lissamine Green B
CAS: 3087-16-9
Molecular Formula: C27H27N2NaO7S2
ACID GREEN 50 - Names and Identifiers
| Name | Lissamine Green B |
| Synonyms | C.I. 44090 12078green AcidgreenBS Wool Green S WOOL GREEN S ACID GREEN 50 Acid green 50 LISSAMINE GREEN B acidalwoolgreenbs C.I. Food Green 4 Lissamine Green B C.I. Acid Green 50 Brilliantsaeuregruen acidbrilliantgreenbs lissamine green B (C.I. 44090) C.I. Acid Green 50, monosodium salt C.I. Acid Green 50, monosodium salt (8CI) sodium 4-{[4-(dimethylamino)phenyl][4-(dimethyliminio)cyclohexa-2,5-dien-1-ylidene]methyl}-3-hydroxynaphthalene-2,7-disulfonate [4-[4-(dimethylamino)-alpha-(2-hydroxy-3,6-disulphonato-1-naphthyl)benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium inner salt sodium salt |
| CAS | 3087-16-9 |
| EINECS | 221-409-2 |
| InChI | InChI=1/C27H26N2O7S2.Na/c1-28(2)20-9-5-17(6-10-20)25(18-7-11-21(12-8-18)29(3)4)26-23-14-13-22(37(31,32)33)15-19(23)16-24(27(26)30)38(34,35)36;/h5-16H,1-4H3,(H2,31,32,33,34,35,36);/q;+1/p-1 |
ACID GREEN 50 - Physico-chemical Properties
| Molecular Formula | C27H27N2NaO7S2 |
| Molar Mass | 578.63 |
| Density | 0.541[at 20℃] |
| Melting Point | >300°C |
| Water Solubility | 492.554g/L at 28℃ |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Appearance | Powder |
| Color | Dark brown or black |
| Storage Condition | Refrigerator |
| Stability | Incompatible with strong oxidizing agents. |
| MDL | MFCD00012117 |
ACID GREEN 50 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 3 |
| RTECS | BQ1150000 |
| HS Code | 32041200 |
ACID GREEN 50 - Reference Information
| color index | 44090 |
| LogP | 0.595 at 25℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | mainly used for dyeing and printing of wool and silk, and also used for coloring wood, paper, food, biology and leather |
| category | toxic substances |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LD50: 2000 mg/kg |
| flammability hazard characteristics | flammability; heating decomposition releases toxic nitrogen oxides, sodium oxide and sulfur oxide smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
Last Update：2024-04-09 02:00:08
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