Structural formula

• Numbering system
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

Numbering system

CAS number:55-55-0

MDL number:MFCD00013140

EINECS number:200-237-1

RTECS number:SL8650000

BRN number:3919382

PubChem number:24859237

Physical property data

1. Character:Colorless needle-like crystals. Discolors in air.

2. Density (g/mL,25/4℃): 1.250

3. Relative vapor density (g/mL,air=1): Undetermined

4. Melting point (oC): 260℃(decomposition)

5. Boiling point (oC,Normal pressure): Undetermined

6. Boiling point (oC,5.2kPa): Undetermined

7. Refractive index: Undetermined

8. Flashpoint (oC): Undetermined

9. Specific optical rotation (o): Undetermined

10. Autoignition point or ignition temperature (oC): Undetermined

11. Vapor pressure (kPa,25oC): Undetermined

12. Saturated vapor pressure (kPa,60oC): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14. Critical temperature (oC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Oil and water (octanol/Log value of water) partition coefficient: Undetermined

17. Explosion limit (%,V/V): Undetermined

18. Lower explosion limit (%,V/V): Undetermined

19. Solubility:soluble in201 cup cold water,6part of boiling water, slightly soluble in ethanol, insoluble in ether.

Toxicological data

1, acute toxicity: rat oral LDLo: 200mg/kg; rat abdominal cavity LD50: 50mg/kg; Rat LD50: 705mg/ kg; mouse oral LD50: 565mg/kg; mouse LD50: 769 mg/kg; Guinea pig, skin contact LD50: > 1mg/kg; guinea pigLD50: 1585 mg/kg;

Ecological data

None

Molecular structure data

None

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP):

2. Number of hydrogen bond donors: 6

3. Number of hydrogen bond acceptors: 8

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 3

6. Topological molecular polar surface area (TPSA):139

7. Number of heavy atoms: 23

8. Surface charge: 0

9. Complexity: 158

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. The number of uncertain atomic stereocenters: 0

13. Determine the chemical bond configurationCore quantity: 0

14. Uncertain number of chemical bond stereocenters: 0

15. Number of covalent bond units: 3

Properties and stability

None

Storage method

This product should be sealed and stored in a cool place.

Synthesis method

Methylaminophenol ([ 150-75-4]), and then converted into salt.

Purpose

mso-ascii-font-family: Arial; mso-hansi-font -family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA”>Separation of gold and palladium. Reduction of phosphomolybdic acid. Assay silver. Determination of gold and silver. Developer. Fur dyeing.
mso-ascii-font-family: Arial; mso-hansi-font -family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA”>This product is a representative and main fast developer, and is also often pronounced as Mettal. It can be used alone or in combination with hydroquinone, and the effect is very good. The relative reducing power of this product is about 20 times that of hydroquinone. The developer made of this product and hydroquinone in the ratio of 1: 2-4 is called MQ developer; if formulated with partial acid, it can be used as a microparticle developer (film sensitivity is 1/2).

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