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Published TCIMAIL newest issue No.185.
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CAS RN: 2107-76-8 | Product Number: D4747
5,7-Dihydroxy-4-methylcoumarin
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Purity: >98.0%(T)
Synonyms:
Documents:
| Size | Unit Price | Shanghai | Tianjin | Japan* |
|---|---|---|---|---|
| 1G |
¥1,040.00
|
1 | Contact Us | 18 |
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Specifications
| Appearance | White to Orange to Green powder to crystal |
| Purity(GC) | min. 97.0 % |
| Purity(Neutralization titration) | min. 98.0 % |
Properties (reference)
| Melting Point | 280 °C |
| Maximum Absorption Wavelength | 322(MeOH) nm |
| Solubility in water | Slightly soluble |
| Solubility (slightly sol. in) | Benzene,Ether,Chloroform |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| Precautionary Statements | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
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