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123-31-9 Hydroquinone 99% 123-31-9 Hydroquinone 99% Hydroquinone, 99.5%, 99.5%;Hydrochinone 0;Hydroquinone ReagentPlus(R), >=99.5%;HYDROQUINONE GPR RECTAPUR;PHOTO GRADE Hydroquinone;HYDROQUINONE PHOTO GRADE 99%;p-Benzediel p-Dihydroxybenzene Hydroquino
Product Name: | Hydroquinone |
Synonyms: | Hydroquinone, 99.5%, 99.5%;Hydrochinone 0;Hydroquinone ReagentPlus(R), >=99.5%;HYDROQUINONE GPR RECTAPUR;PHOTO GRADE Hydroquinone;HYDROQUINONE PHOTO GRADE 99%;p-Benzediel p-Dihydroxybenzene Hydroquinol 1,4-Benzenediol 1,4-Dihydroxybenzene Quinol;Hydroquinone, p.a. |
CAS: | 123-31-9 |
MF: | C6H6O2 |
MW: | 110.11 |
EINECS: | 204-617-8 |
Product Categories: | PINDAC;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);Polyols;Vaccinium myrtillus (Bilberry);corrosion inhibitor |
Mol File: | 123-31-9.mol |
Hydroquinone Chemical Properties |
Melting point | 172-175 °C(lit.) |
Boiling point | 285 °C(lit.) |
density | 1.32 |
vapor density | 3.81 (vs air) |
vapor pressure | 1 mm Hg ( 132 °C) |
refractive index | 1.6320 |
Fp | 165 °C |
storage temp. | Refrigerator |
solubility | H2O: 50 mg/mL, clear |
pka | 10.35(at 20℃) |
form | Needle-Like Crystals or Crystalline Powder |
color | White to off-white |
Water Solubility | 70 g/L (20 ºC) |
Sensitive | Air & Light Sensitive |
Merck | 14,4808 |
BRN | 605970 |
Stability: | Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air. |
CAS DataBase Reference | 123-31-9(CAS DataBase Reference) |
NIST Chemistry Reference | Hydroquinone(123-31-9) |
EPA Substance Registry System | 1,4-Benzenediol(123-31-9) |
Safety Information |
Hazard Codes | Xn,N |
Risk Statements | 22-40-41-43-50-68-R68-R50-R43-R41-R40-R22 |
Safety Statements | 26-36/37/39-61-S61-S36/37/39-S26 |
RIDADR | 2662 |
WGK Germany | 3 |
RTECS | MX3500000 |
TSCA | Yes |
HazardClass | 9 |
PackingGroup | III |
HS Code | 29072210 |
Hazardous Substances Data | 123-31-9(Hazardous Substances Data) |
Toxicity | LD50 orally in rats: 320 mg/kg (Woodard) |
Chemical Properties | white needle-like crystals or crystalline powder |
Uses | K channel agonist, antihypertensive |
Uses | Hydroquinone |
Uses | reducing agent prevents polymerization of resin monomers lightens darkened skin, light sensitive |
Uses | Use as photographic reducer and developer; as reagent in the determination of small quantities of phosphate; as antioxidant. Depigmentor |
Definition | ChEBI: A benzenediol comprising benzene core carrying two hydroxy substituents para to each other. |
Uses | As photographic reducer and developer; as reagent in the determination of small quantities of phosphate; as antioxidant. |
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. |
Reactivity Profile | Hydroquinone is a slight explosion hazard when exposed to heat. Incompatible with strong oxidizing agents. Also incompatible with bases. Hydroquinone reacts with oxygen and sodium hydroxide. Reacts with ferric salts . Hot and/or concentrated NaOH can cause Hydroquinone to decompose exothermically at elevated temperature. (NFPA Pub. 491M, 1975, 385) |
Health Hazard | Hydroquinone is very toxic; the probable oral lethal dose for humans is 50-500 mg/kg, or between 1 teaspoon and 1 ounce for a 150 lb. person. It is irritating but not corrosive. Fatal human doses have ranged from 5-12 grams, but 300-500 mg have been ingested daily for 3-5 months without ill effects. Death is apparently initiated by respiratory failure or anoxia. |
Fire Hazard | Dust cloud may explode if ignited in an enclosed area. Hydroquinone can react with oxidizing materials and is rapidly oxidized in the presence of alkaline materials. Oxidizes in air. |
Hydroquinone Preparation Products And Raw materials |
Product Name: | Hydroquinone |
Synonyms: | Hydroquinone, 99.5%, 99.5%;Hydrochinone 0;Hydroquinone ReagentPlus(R), >=99.5%;HYDROQUINONE GPR RECTAPUR;PHOTO GRADE Hydroquinone;HYDROQUINONE PHOTO GRADE 99%;p-Benzediel p-Dihydroxybenzene Hydroquinol 1,4-Benzenediol 1,4-Dihydroxybenzene Quinol;Hydroquinone, p.a. |
CAS: | 123-31-9 |
MF: | C6H6O2 |
MW: | 110.11 |
EINECS: | 204-617-8 |
Product Categories: | PINDAC;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);Polyols;Vaccinium myrtillus (Bilberry);corrosion inhibitor |
Mol File: | 123-31-9.mol |
Hydroquinone Chemical Properties |
Melting point | 172-175 °C(lit.) |
Boiling point | 285 °C(lit.) |
density | 1.32 |
vapor density | 3.81 (vs air) |
vapor pressure | 1 mm Hg ( 132 °C) |
refractive index | 1.6320 |
Fp | 165 °C |
storage temp. | Refrigerator |
solubility | H2O: 50 mg/mL, clear |
pka | 10.35(at 20℃) |
form | Needle-Like Crystals or Crystalline Powder |
color | White to off-white |
Water Solubility | 70 g/L (20 ºC) |
Sensitive | Air & Light Sensitive |
Merck | 14,4808 |
BRN | 605970 |
Stability: | Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air. |
CAS DataBase Reference | 123-31-9(CAS DataBase Reference) |
NIST Chemistry Reference | Hydroquinone(123-31-9) |
EPA Substance Registry System | 1,4-Benzenediol(123-31-9) |
Safety Information |
Hazard Codes | Xn,N |
Risk Statements | 22-40-41-43-50-68-R68-R50-R43-R41-R40-R22 |
Safety Statements | 26-36/37/39-61-S61-S36/37/39-S26 |
RIDADR | 2662 |
WGK Germany | 3 |
RTECS | MX3500000 |
TSCA | Yes |
HazardClass | 9 |
PackingGroup | III |
HS Code | 29072210 |
Hazardous Substances Data | 123-31-9(Hazardous Substances Data) |
Toxicity | LD50 orally in rats: 320 mg/kg (Woodard) |
Chemical Properties | white needle-like crystals or crystalline powder |
Uses | K channel agonist, antihypertensive |
Uses | Hydroquinone |
Uses | reducing agent prevents polymerization of resin monomers lightens darkened skin, light sensitive |
Uses | Use as photographic reducer and developer; as reagent in the determination of small quantities of phosphate; as antioxidant. Depigmentor |
Definition | ChEBI: A benzenediol comprising benzene core carrying two hydroxy substituents para to each other. |
Uses | As photographic reducer and developer; as reagent in the determination of small quantities of phosphate; as antioxidant. |
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. |
Reactivity Profile | Hydroquinone is a slight explosion hazard when exposed to heat. Incompatible with strong oxidizing agents. Also incompatible with bases. Hydroquinone reacts with oxygen and sodium hydroxide. Reacts with ferric salts . Hot and/or concentrated NaOH can cause Hydroquinone to decompose exothermically at elevated temperature. (NFPA Pub. 491M, 1975, 385) |
Health Hazard | Hydroquinone is very toxic; the probable oral lethal dose for humans is 50-500 mg/kg, or between 1 teaspoon and 1 ounce for a 150 lb. person. It is irritating but not corrosive. Fatal human doses have ranged from 5-12 grams, but 300-500 mg have been ingested daily for 3-5 months without ill effects. Death is apparently initiated by respiratory failure or anoxia. |
Fire Hazard | Dust cloud may explode if ignited in an enclosed area. Hydroquinone can react with oxidizing materials and is rapidly oxidized in the presence of alkaline materials. Oxidizes in air. |
Hydroquinone Preparation Products And Raw materials |
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