Photo Grade Hydroquinone 99%Min with High Purity

• Customization: Available
• CAS No.: 123-31-9
• Formula: C6h6o2
• Model NO.: 99%min
• EINECS: 204-617-8
• Aldehyde: Fatty Aldehyde
• Aether: Aliphatic Ethers
• Hydroxybenzene: Monohydric Phenol
• Ketone: Saturated Ketone
• MW: 110.111
• Transport Package: 25kg/Bag
• Specification: 99
• Trademark: JQ
• Origin: China
• HS Code: 2916310000
• Production Capacity: 100000

Product Description

Product Description

Product Name	Hydroquinone
CAS No.	123-31-9
Purity	99%
Formula	C6H6O2
HS Code	2907221000
EINECS	204-617-8

Speficiation

Items of Analysis	Specification	Testing Method
Appearance	White Needle Crystal	In House # PSB01
Melting Point(ºC)	171-175	GB/T1.1-2009
Assay(%)	99.0-101.0	In House # PSB10
Water(%)	0.5 max	GB/T1.1-2009
Solubility (20ºC)(G/L)(%)	70	GB/T1.1-2009
Heavy Metal (As PB) (ppm)	0.005 max	GB/T1.1-2009
Incinerate Residue Content(%)	0.05 max	GB/T1.1-2009
Fe(ppm)	20 max	GB/T1.1-2009
Clarity of Solution(1:30)	Clear	GB/T1.1-2009
Conclusion	Conform to BP Grade

Usage

1. Hydroquinone is mainly used as developing agent in photograph

2. Antioxidant for rubber and gasoline, dye intermediate, etc.

3. Polymerization inhibitor for styrene, butadiene, isoprene, vinyl acetate, acrylonitrile and other resin or rubber monomers

4. Polymerization for styrene, acrylic and other vinyl monomers, terminating agent or stabilizer for high-temperature emulsion polymerization reaction

5. Developer in photoengraving

Packaging & Shipping

1. 1 kilogram per aluminum foil bag with one plastic-bags inside;
2. 25 kilograms per cardboard barrel with one plastic-bags inside;
3. Packaging as the customers' requirements

Storage	cool and dry ,ventilate places
Shelf life	24months