Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,2-Ethanedione,1,2-bis(3,4-dihydroxyphenyl)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

6309-15-5

6309-15-5 structure

Name: 1,2-Ethanedione,1,2-bis(3,4-dihydroxyphenyl)-
Chemical Name: 3,3,4,4-tetrahydroxybenzyl
CAS Number: 6309-15-5
Molecular Formula: C₇H₉O₄
Molecular Weight: 157.14400
Create Date: 2017-04-23 22:06:27
Modify Date: 2025-09-13 01:26:06

Name	3,3,4,4-tetrahydroxybenzyl
Synonyms	3,3',4,4'-tetrakis-hydroxybenzil 3,4,3',4'-tetrahydroxybenzil 3,3',4,4'-Tetrahydroxybenzil

Density	1.575g/cm3
Boiling Point	639.7ºC at 760 mmHg
Molecular Formula	C₇H₉O₄
Molecular Weight	157.14400
Flash Point	354.7ºC
Exact Mass	157.05000
PSA	80.92000
Index of Refraction	1.72

HS Code	2914501900

4720-66-5

~46%

6309-15-5

Literature: PROTEOTECH, INC. Patent: WO2003/101927 A1, 2003 ; Location in patent: Page 28 ;

554-34-7

~88%

6309-15-5

Literature: Ohta, Kazuchika; Hasebe, Hiroshi; Ema, Hiroshi; Moriya, Mitsuo; Fujimoto, Tetsuya; Yamamoto, Iwao Molecular Crystals and Liquid Crystals (1969-1991), 1991 , vol. 208, p. 21 - 32

5463-22-9

6309-15-5

Literature: Pearl,I.A. et al. Journal of Organic Chemistry, 1960 , vol. 25, p. 1449 - 1450

120-14-9

6309-15-5

Literature: Ohta, Kazuchika; Hasebe, Hiroshi; Ema, Hiroshi; Moriya, Mitsuo; Fujimoto, Tetsuya; Yamamoto, Iwao Molecular Crystals and Liquid Crystals (1969-1991), 1991 , vol. 208, p. 21 - 32

861611-20-3

6309-15-5

Literature: Barger; Ewins Journal of the Chemical Society, 1908 , vol. 93, p. 739

Precursor 5
4720-66-5 554-34-7 5463-22-9 120-14-9
861611-20-3
DownStream 1
138145-24-1

HS Code	2914501900
Summary	2914501900 other ketone-phenols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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