Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,3,7,8-TETRAMETHYL-1,4,6,9-THIANTHRENETETRONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

22698-81-3

22698-81-3 structure

22698-81-3 structure

Name: 2,3,7,8-TETRAMETHYL-1,4,6,9-THIANTHRENETETRONE
Chemical Name: 2,3,7,8-tetramethylthianthrene-1,4,6,9-tetrone
CAS Number: 22698-81-3
Molecular Formula: C₁₆H₁₂O₄S₂
Molecular Weight: 332.39400
Create Date: 2017-02-05 00:26:42
Modify Date: 2025-08-25 17:29:06

Name	2,3,7,8-tetramethylthianthrene-1,4,6,9-tetrone
Synonyms	1,4,6,9-tetraoxo-2,3,7,8-tetramethyl-1,4,6,9-tetrahydro-thianthrene 2,3,7,8-Tetramethyl-1,4,6,9-thianthrenetetrone 2,3,7,8-tetramethylthianthrene-1,4,6,9-tetraone

Density	1.48g/cm3
Boiling Point	442.8ºC at 760mmHg
Molecular Formula	C₁₆H₁₂O₄S₂
Molecular Weight	332.39400
Flash Point	189ºC
Exact Mass	332.01800
PSA	124.76000
LogP	2.22820
Vapour Pressure	4.86E-08mmHg at 25°C
Index of Refraction	1.676

HS Code	2934999090

38969-08-3 structure

38969-08-3

~23%

22698-81-3 structure

22698-81-3

Literature: Mendez-Rojas, Miguel A.; Bodige, Satish G.; Ejsmont, Krzysztof; Watson, William H. Journal of Chemical Crystallography, 2001 , vol. 31, # 1 p. 17 - 28

Precursor 1
38969-08-3
DownStream 0

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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