Toluene diisocyanate manufacturer Knowledge 1,3-dihydroxynaphthalene

1,3-dihydroxynaphthalene

1,3-dihydroxynaphthalene structural formula

Structural formula

Business number 03NS
Molecular formula C10H8O2
Molecular weight 160.17
label

1,3-Naphthalenediol,

Naphthoresorbinol,

aromatic compounds

Numbering system

CAS number:132-86-5

MDL number:MFCD00003965

EINECS number:205-079-7

RTECS number:QJ4725000

BRN number:2044002

PubChem number:24897775

Physical property data

None yet

Toxicological data

Mutagenicity data:


BacteriaSalmonella typhimurium: 250umol/L


BacteriaSalmonella typhimurium: 625nmol/plate

Ecological data

None yet

Molecular structure data

5. Molecular property data:


1 Molar refractive index47.85


2 Molar volume(m3/mol) :120.4


3 Isotonic specific volume90.2K):341.1


4 Surface tension(3.0 dyne/cm):64.4


5 Polarizability0.5 10-24 cm3):18.97

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 15

6. Topological molecule polar surface area 40.5

7. Number of heavy atoms: 12

8. Surface charge: 0

9. Complexity: 158

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

basic properties

Pink to yellow leaf-like crystals. Melting point 124-125℃, easily soluble in water, alcohol and ether.

Storage method

None yet

Synthesis method

Brief description of production methods

Decarboxylated from 1,3-dihydroxy-2-naphthoic acid

Purpose

Purpose

Sugar and oil reagent for measuring glucuronic acid in urine.

t-font-family: Arial; mso-font-kerning: 0pt”>(0.5 10 -24cm3):18.97

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 15

6. Topological molecule polar surface area 40.5

7. Number of heavy atoms: 12

8. Surface charge: 0

9. Complexity: 158

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

basic properties

Pink to yellow leaf-like crystals. Melting point 124-125℃, easily soluble in water, alcohol and ether.

Storage method

None yet

Synthesis method

Brief description of production methods

Decarboxylated from 1,3-dihydroxy-2-naphthoic acid

Purpose

Purpose

Sugar and oil reagent for measuring glucuronic acid in urine.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/27341

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