Suppliers for CAS
123-31-9
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Properties | CAS |
123-31-9 | Formula |
C6H6O2 | EINECS |
204-617-8 |
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44 Registered suppliers
Aecochem Corp.
P.R.China
Dayang Chem (Hangzhou) Co.,Ltd.
P.R.China
Sancai Industry Co.,Ltd.
P.R.China
Appearance | White crystal powder
| Content( %) | ≥ 99-101
| Melting point(℃ ) | 171-175
| Residue after ignition(%) | ≤ 0.05
| Fe(%) | ≤ 0.002
| Pb(%) | ≤ 0.002
| Standard | technical grade
| Content | 99%
| Capacity | 50MT/month
| Loading port | Shanghai
| Package | 25kg/bag or 25kg/drum or as according to the customers’demand
| Storage | Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down |
Hangzhou Keying Chem Co., Ltd.
P.R.China
Tianjin Zhongxin Chemtech Co., Ltd.
P.R.China
Product Name: Hydroquinone
Synonyms: 1,4-Benzenediol (hydroquinone);
1,4-Dihydroxy-benzeen;
1,4-Dihydroxybenzen;
1,4-Dihydroxy-benzol;
1,4-Diidrobenzene;
4-Hydroxyphenol;
alpha-hydroquinone
CAS: 123-31-9
Product Categories: Intermediates of Dyes and Pigments;
Redox Catalysts (Environmentally-friendly Oxidation);Environmentally-friendly Oxidation;
Synthetic Organic Chemistry;Aromatics;Building Blocks;Chemical Synthesis;
Nutrition Research;Organic Building Blocks;Oxygen Compounds;
Phytochemicals by Plant (Food/Spice/Herb);
Hydroquinone Chemical Properties
mp 172-175 °C(lit.)
bp 285 °C(lit.)
density 1.32
vapor density 3.81 (vs air
vapor pressure 1 mm Hg ( 132 °C)
Fp 165 °C
storage temp. Refrigerator
solubility H2O: 50 mg/mL, clear
Water Solubility 70 g/L (20 ºC)
Merck 14,4808
Stability: Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air.
Safety Information
Hazard Codes Xn,N
Risk Statements 22-40-41-43-50-68
Safety Statements 26-36/37/39-61-like crystals or crystalline powder
Usage Use as photographic reducer and developer; as reagent in the determination of small quantities of phosphate; as antioxidant. Depigmentor
General Description Light colored crystals or solutions. May irritate the skin, eyes and mucous membranes. Mildly toxic by ingestion or skin absorption.
Air & Water Reactions Darkens on exposure to air and light. Miscible in water. Solutions become brown in air due to oxidation. Oxidation is very rapid in the presence of alkali.
H&Z Industry Co.,Ltd
P.R.China
Xingrui Industry Co., Limited
P.R.China
Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)
P.R.China
Leap Chem Co., Ltd
P.R.China
Molecular Formula: C6H6O2 Molecular Weight: 110.11 Hazard Symbols: Xn,N UN Number: 2662 WGKGermany: 3 PackingGroup: III HS Code: 29072210
Molecular Formula: C6H6O2 Molecular Weight: 110.11064
Molecular Formula: C6H6O2
Sigma-Aldrich International GmbH
Switzerland
Kraeber & Co GmbH
Germany
Chongqing Changfeng Chemical Co. Ltd.
P.R.China
Shanghai Mintchem Development Co., Ltd.
P.R.China
BCH Brühl - Chemikalien Handel GmbH
Germany
INNOCHEM
Belgium
Zouping Mingxing Chemical Co., Ltd.
P.R.China
AXO Industry SA
Belgium
Caesar & Loretz GmbH
Germany
Alternative name | Hydrochinon
| Further description | Hydrochinonum
| Monograph | DAC/NRF 2013/2
| Pharmaceutical status | pharmacy-only (conditionally)
| INCI | Hydroquinone
| UEXDES | Chemicals solid |
Unilong Industry Co.,Ltd
P.R.China
Refine Chemical Co.,Ltd.
P.R.China
OPQ Chemical Co., Ltd
P.R.China
Create Chemical Co., Ltd.
P.R.China
Shandong Ench Chemical Co.,Ltd
P.R.China
Shandong Lanhai Industry Co.,Ltd.
P.R.China
Krada CPS Industry S.L
Spain
Shandong Minglang Chemical Co., Ltd
P.R.China
Hangzhou Zhongqi Chem Co., Ltd
P.R.China
Fox Chemicals GmbH
Germany
Lori Industry Co., Ltd
P.R.China
Zehao Industry Co., Ltd.
P.R.China
Assay, % max. 99.00~101.00
| Melting point, ℃ 171.00~175.00
| Residue on ignition, % ≤ 0.05
| Fe, % ≤ 0.002
| Pb, % ≤ 0.001
| Solution appearance Transparent without insoluble substance |
Skyrun Industrial Co., Ltd.
P.R.China
Shandong SanYoung Industry Co., Ltd
P.R.China
Xiamen Equation Chemical Co.,Ltd
P.R.China
AK Scientific, Inc.
USA
Chemos GmbH & Co. KG
Germany
BuGuCh & Partners
Germany
Hydroquinone / HQ CAS 123-31-9
The application of Hydroquinone/HQ CAS 123-31-9 1.Used as pesticide intermediates,mainly for herbicide 2.As Pharmaceutical intermediates 3.Used at resin as Polymerization inhibitor 4.Dye intermediate 5.Rubber Antioxidant 6.Photographic developer
Item Specifications Results Appearance White acicular crystal or crystal powder White crystals Content 99.00~100.50% 99.6% Melting point 171~175℃ 171.0~173.0℃ Iron (Fe) ≤0.002% 0.0017% Heavy metals (as Pb) ≤0.002% ≤0.002% Residue after ignition ≤0.100% 0.085% Conclusion The results conforms with GB/T23959-2009 standards
Hydroquinone / HQ CAS 123-31-9
The application of Hydroquinone/HQ CAS 123-31-9 1.Used as pesticide intermediates,mainly for herbicide 2.As Pharmaceutical intermediates 3.Used at resin as Polymerization inhibitor 4.Dye intermediate 5.Rubber Antioxidant 6.Photographic developer
Item Specifications Results Appearance White acicular crystal or crystal powder White crystals Content 99.00~100.50% 99.6% Melting point 171~175℃ 171.0~173.0℃ Iron (Fe) ≤0.002% 0.0017% Heavy metals (as Pb) ≤0.002% ≤0.002% Residue after ignition ≤0.100% 0.085%
VMP Chemiekontor GmbH
Germany
World. Chem. Co., Ltd.
P.R.China
Mitsui & Co Europe PLC
U.K.
Synthon-Chemicals GmbH & Co. KG
Germany
Solvay
France
Merck Schuchardt OHG
Germany
CM Fine Chemicals
Switzerland
Santa Cruz Biotechnology, Inc.
USA
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