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Purpurin - ≥85.0%(HPLC), high purity , CAS No.81-54-9
Basic Description Synonyms PURPURIN|81-54-9|Verantin|1,2,4-Trihydroxyanthraquinone|Hydroxylizaric acid|Purpurine|1,2,4-trihydroxyanthracene-9,10-dione|Smoke Brown G|1,2,4-Trihydroxy-9,10-anthracenedione|1,2,4-Trihydroxy-9,10-anthraquinone|1,2,4-Trihydroxyanthrachinon|C.I. 58205|Ant Specifications & Purity ≥85%(HPLC) Storage Temp Store at 2-8°C Shipped In Wet ice Product Description Product Description：
Purpurin (1, 2, 4-trihydroxyanthraquinone) is the key pigment present in the roots of Indian madder (Rubia cordifolia). This pigment produces colors, with distinctive heat and light resistant properties.
Names and Identifiers IUPAC Name 1,2,4-trihydroxyanthracene-9,10-dione INCHI InChI=1S/C14H8O5/c15-8-5-9(16)14(19)11-10(8)12(17)6-3-1-2-4-7(6)13(11)18/h1-5,15-16,19H InChi Key BBNQQADTFFCFGB-UHFFFAOYSA-N Canonical SMILES C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3O)O)O Isomeric SMILES C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3O)O)O RTECS CB8200000 PubChem CID 6683 Molecular Weight 256.21 Beilstein 8509 Reaxy-Rn 1887127
Chemical and Physical Properties Solubility Soluble in water (partly), alcohol, ether, DMSO (~0.5 mg/ml), and DMF (~0.5 mg/ml).NH4OH: 1 mg/mL, clear to turbid Melt Point(°C) 253-256 °C
Safety and Hazards(GHS) Pictogram(s) GHS07 Signal Warning Hazard Statements H315: Causes skin irritation
H319: Causes serious eye irritation
H335: May cause respiratory irritation
Precautionary Statements P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352: IF ON SKIN: wash with plenty of water.
P321: Specific treatment (see ... on this label).
P405: Store locked up.
P501: Dispose of contents/container to ...
P264: Wash hands [and …] thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P362+P364: Take off contaminated clothing and wash it before reuse.
P264+P265: Wash hands [and …] thoroughly after handling. Do not touch eyes.
P337+P317: If eye irritation persists: Get medical help.
P332+P317: If skin irritation occurs: Get medical help.
P319: Get medical help if you feel unwell.
RTECS CB8200000 Reaxy-Rn 1887127 Merck Index 7945
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H2206641