2-Hydroxy-1,4-naphthoquinone

SKU:
RM3500
CAS Number : 83-72-7
Molecular Formula : C₁₀H₆O₃
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2-Hydroxy-1,4-naphthoquinone, produced from Lawsonia inermis, is an orange dye. It belongs to the class of naphthoquinone dyes.
CAS Number : 83-72-7
Molecular Formula : C₁₀H₆O₃


Product Identifier

Product Code RM3500
Product Name 2-Hydroxy-1,4-naphthoquinone
Synonym Lawsone, Neutral orange 6
Packing 10G, 50G
Molecular Formula C₁₀H₆O₃
Molecular Weight 174.15
CAS No. 83-72-7
EC No. 201-496-3
Colour Index No. 75480
Shelf Life 4 years

Technical Specification

Appearance Yellow to orange crystals or powder
Solubility 33.3 mg soluble in 1 mL of methanol
FTIR (KBr disc) Matches with the standard pattern
Melting range 192 - 195°C (dec.)
Assay (NaOH Titration) min. 97.00%

Safety Information

Hazard Statement(s) H315-H319-H335
Precautionary Statement(s) P261-P305+P351+P338
Signal Word Warning
Hazard Pictogram(s) Irritant (symbol with a cross)
R-Phrase(s) 36/37/38
S-Phrase(s) 26-37/39
WGK 3
RTECS QL8200000
Storage Temperature(°C) Store below 30°C
Hazard Symbol(s) Irritant

Transport Information

Marine Pollutant Not Dangerous Goods
ADR/RID Not Dangerous Goods
IMDG Not Dangerous Goods
IATA Not Dangerous Goods
CAS Number : 83-72-7
Molecular Formula : C₁₀H₆O₃
More Information
Product Name 2-Hydroxy-1,4-naphthoquinone
SKU RM3500
CAS No 83-72-7
EC No. 201-496-3
Molecular formula C₁₀H₆O₃
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