-
Name
VITAMIN K4
- EINECS
- CAS No. 481-85-6
- Article Data71
- CAS DataBase
- Density 1.274g/cm3
- Solubility
- Melting Point 181℃
- Formula C11H10 O2
- Boiling Point 391.6°Cat760mmHg
- Molecular Weight 174.199
- Flash Point 199.5°C
- Transport Information
- Appearance
- Safety Poison by ingestion, subcutaneous, and intraperitoneal routes. When heated to decomposition it emits acrid smoke and irritating fumes.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms 1,4-Dihydroxy-2-methylnaphthalene;2-Methyl-1,4-dihydroxynaphthalene; 2-Methyl-1,4-naphthohydroquinone;2-Methyl-1,4-naphthoquinol; 2-Methylhydronaphthoquinone;2-Methylnaphthalene-1,4-diol; 4-Hydroxy-3-methyl-a-naphthol; Dihydrovitamin K3; Menadiol; Reducedmenadione; Reduced vitamin K3; Vitamin K3H2
- PSA 40.46000
- LogP 2.55940
2-Methyl-1,4-naphthalenediol Chemical Properties
IUPAC Name: 2-Methylnaphthalene-1,4-diol
Molecular Formula: C11H10O2
Molecular Weight: 174.21g/mol
Density: 1.274g/cm3
Melting Point: 177–178°C
Boiling Point: 391.6 °C at 760 mmHg
Flash Point: 199.5°C
Properties: crystals from AcOH or toluene
Freely Rotating Bonds: 2
Polar Surface Area: 18.46 Å2
Index of Refraction: 1.697
Molar Refractivity: 52.68 cm3
Molar Volume: 136.6 cm3
Polarizability: 20.88× 10-24 cm3
Surface Tension: 58.9 dyne/cm
Enthalpy of Vaporization: 66.63 kJ/mol
Vapour Pressure: 1.08E-06 mmHg at 25°C
2-Methyl-1,4-naphthalenediol ,its Cas Register Number is 481-85-6.The chemical synonyms of 2-Methyl-1,4-naphthalenediol (CAS No.481-85-6) are 2-Methyl-1,4-naphthohydroquinone diacetate ; 1,4-Diacetoxy-2-Methylnaphthalene ; 1,4-Dihydroxy-2-Methylnaphthalene ; 2-Methyl-1,4-naphthoquinol ; 2-Methyl-4-naphthalenediol ; 2-methylhydronaphthoquinone ; 2-Methylnaphthalene-1,4-diol .Product categories of 2-Methyl-1,4-naphthalenediol (CAS No.481-85-6) are Anthraquinones, Hydroquinones and Quinones .The molecular structure of 2-Methyl-1,4-naphthalenediol (CAS No.481-85-6) is
.
2-Methyl-1,4-naphthalenediol Uses
It is used in the production of vitamin K4 in medicine.
2-Methyl-1,4-naphthalenediol Toxicity Data With Reference
| 1. | orl-mus LD50:30 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 75 (1942),111. | ||
| 2. | ipr-mus LDLo:400 mg/kg | CRSBAW Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. 143 (1949),585. | ||
| 3. | scu-mus LDLo:80 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 71 (1941),210. |
2-Methyl-1,4-naphthalenediol Safety Profile
Poison by ingestion, subcutaneous, and intraperitoneal routes. When heated to decomposition it emits acrid smoke and irritating fumes.
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