2,3-Dihydroxynaphthalene 92-44-4 CAS NO.92-44-4
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- Min.Order: 1 Kilogram
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A(10-15)Kilogram
- Product Details
Keywords
- 2,3-Dihydroxynaphthalene 92-44-4
- 2,3-Dihydroxynaphthalene 92-44-4
- 2,3-Dihydroxynaphthalene 92-44-4
Quick Details
- ProName: 2,3-Dihydroxynaphthalene 92-44-4
- CasNo: 92-44-4
- Molecular Formula: C10H8O2
- Appearance: Powder
- Application: Organic Chemicals
- DeliveryTime: according to client's demand quantity
- PackAge: as requested
- Port: SHANGHAI
- ProductionCapacity: 10 Metric Ton/Day
- Purity: 99%
- Storage: room temperature
- Transportation: by sea
- LimitNum: 1 Kilogram
- Heavy metal: 10ppm
- Grade: Industrial Grade,Pharma Grade
- Transportation: LCL
Superiority
Product Name: 2,3-Dihydroxynaphthalene
Synonyms: 2,3-Dihydroxynapthalene;Naphthalene-2,3-diol;Naphthalenediol-(2,3);2,3-DIHYDROXYNAPHTHALENE;2,3-NAPHTHALENEDIOL;2,3-DIHYDROXYNAPHTHALENE, SUBL.;2 3-DIHYDROXYNAPHTHALENE 98%;2,3-DihydroxylNaphthalene
CAS: 92-44-4
MF: C10H8O2
MW: 160.17
EINECS: 202-156-7
Product Categories: Aromatics;Naphthalene derivatives;Bioactive Small Molecules;Building Blocks;Cell Biology;Chemical Synthesis;DIG-DY;Organic Building Blocks;Oxygen Compounds;Polyols
Mol File: 92-44-4.mol
2,3-Dihydroxynaphthalene Chemical Properties
Melting point 161-165 °C(lit.)
Boiling point 246.06°C (rough estimate)
density 1.0924 (rough estimate)
vapor pressure 0.8 hPa (149 °C)
refractive index 1.5178 (estimate)
Fp 175 °C
storage temp. 2-8°C
solubility 4g/l
pka 9.10±0.40(Predicted)
form Powder
color White to pinkish to beige-grayish
PH 6 (1g/l, H2O, 20℃)
Water Solubility slightly soluble
BRN 742375
CAS DataBase Reference 92-44-4(CAS DataBase Reference)
NIST Chemistry Reference 2,3-Naphthalenediol(92-44-4)
EPA Substance Registry System 2,3-Naphthalenediol (92-44-4)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-37/39
WGK Germany 3
RTECS QJ4750000
F 10-23
Autoignition Temperature >330 °C
TSCA Yes
HS Code 29072900
Toxicity LD50 orally in Rabbit: 970 mg/kg
2,3-Dihydroxynaphthalene Usage And Synthesis
Chemical Properties Off white to redish white powder
Uses 2,3-Naphthalenediol is used in cosmetics asa component of oxidative hair dye. It is usedat a concentration of <0.1%.
Health Hazard 2,3-Naphthalenediol shows low toxicity andmild irritant actions on the skin and eyes. Theoral LD50 value for rats of a 5% solutionin propylene glycol may be on the orderof 675 mg/kg (calculated by the method ofWeil). The intravenous LD50 value for miceis 56 mg/kg. At 1% concentration, it causedslight eye irritation in female albino rabbitsand exhibited erythemal response in guineapigs. At the 0.1% level (concentration in hairdye), it had no reaction on human skin. Thiscompound was nonmutagenic in Salmonellatyphimurium strain tests.
There is very little information in the literatureon the toxicity of 2,3-naphthalenediol.Assessment by the CIR expert panel on thesafety of this compound as used in cosmeticshas been inconclusive (Cosmetic, Toiletryand Fragrance Association 1987b).
Details
Product Name: 2,3-Dihydroxynaphthalene
Synonyms: 2,3-Dihydroxynapthalene;Naphthalene-2,3-diol;Naphthalenediol-(2,3);2,3-DIHYDROXYNAPHTHALENE;2,3-NAPHTHALENEDIOL;2,3-DIHYDROXYNAPHTHALENE, SUBL.;2 3-DIHYDROXYNAPHTHALENE 98%;2,3-DihydroxylNaphthalene
CAS: 92-44-4
MF: C10H8O2
MW: 160.17
EINECS: 202-156-7
Product Categories: Aromatics;Naphthalene derivatives;Bioactive Small Molecules;Building Blocks;Cell Biology;Chemical Synthesis;DIG-DY;Organic Building Blocks;Oxygen Compounds;Polyols
Mol File: 92-44-4.mol
2,3-Dihydroxynaphthalene Chemical Properties
Melting point 161-165 °C(lit.)
Boiling point 246.06°C (rough estimate)
density 1.0924 (rough estimate)
vapor pressure 0.8 hPa (149 °C)
refractive index 1.5178 (estimate)
Fp 175 °C
storage temp. 2-8°C
solubility 4g/l
pka 9.10±0.40(Predicted)
form Powder
color White to pinkish to beige-grayish
PH 6 (1g/l, H2O, 20℃)
Water Solubility slightly soluble
BRN 742375
CAS DataBase Reference 92-44-4(CAS DataBase Reference)
NIST Chemistry Reference 2,3-Naphthalenediol(92-44-4)
EPA Substance Registry System 2,3-Naphthalenediol (92-44-4)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-37/39
WGK Germany 3
RTECS QJ4750000
F 10-23
Autoignition Temperature >330 °C
TSCA Yes
HS Code 29072900
Toxicity LD50 orally in Rabbit: 970 mg/kg
2,3-Dihydroxynaphthalene Usage And Synthesis
Chemical Properties Off white to redish white powder
Uses 2,3-Naphthalenediol is used in cosmetics asa component of oxidative hair dye. It is usedat a concentration of <0.1%.
Health Hazard 2,3-Naphthalenediol shows low toxicity andmild irritant actions on the skin and eyes. Theoral LD50 value for rats of a 5% solutionin propylene glycol may be on the orderof 675 mg/kg (calculated by the method ofWeil). The intravenous LD50 value for miceis 56 mg/kg. At 1% concentration, it causedslight eye irritation in female albino rabbitsand exhibited erythemal response in guineapigs. At the 0.1% level (concentration in hairdye), it had no reaction on human skin. Thiscompound was nonmutagenic in Salmonellatyphimurium strain tests.
There is very little information in the literatureon the toxicity of 2,3-naphthalenediol.Assessment by the CIR expert panel on thesafety of this compound as used in cosmeticshas been inconclusive (Cosmetic, Toiletryand Fragrance Association 1987b).