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: 2,3,5,6-tetrachlorobenzene-1,4-dicarbaldehyde
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3421-67-8

3421-67-8 structure

3421-67-8 structure

Name: 2,3,5,6-tetrachlorobenzene-1,4-dicarbaldehyde
Chemical Name: 2,3,5,6-tetrachloroterephthalaldehyde
CAS Number: 3421-67-8
Molecular Formula: C₈H₂Cl₄O₂
Molecular Weight: 271.91200
Create Date: 2017-04-29 01:52:56
Modify Date: 2025-08-26 17:50:14

Name	2,3,5,6-tetrachloroterephthalaldehyde
Synonyms	2,3,5,6-tetrachlorobenzene-1,4-dicarbaldehyde tetrachloro-terephthalaldehyde Tetrachlor-terephthalaldehyd

Density	1.693g/cm3
Boiling Point	352.2ºC at 760 mmHg
Molecular Formula	C₈H₂Cl₄O₂
Molecular Weight	271.91200
Flash Point	148.8ºC
Exact Mass	269.88100
PSA	34.14000
LogP	3.92520
Index of Refraction	1.66

HS Code	2913000090

2142-31-6 structure

2142-31-6

~60%

3421-67-8 structure

3421-67-8

Literature: Belen'kii; Gromova; Lichitskii; Krayushkin Russian Chemical Bulletin, 1997 , vol. 46, # 1 p. 101 - 104

7154-26-9 structure

7154-26-9

~%

3421-67-8 structure

3421-67-8

84057-64-7 structure

84057-64-7

Literature: Leyden, Richard N.; Loonat, Mohamed S.; Neuse, Eberhard W.; Sher, Brian H.; Watkinson, Walter J. Journal of Organic Chemistry, 1983 , vol. 48, # 5 p. 727 - 731

95-94-3 structure

95-94-3

~%

3421-67-8 structure

3421-67-8

Literature: Belen'kii; Gromova; Lichitskii; Krayushkin Russian Chemical Bulletin, 1997 , vol. 46, # 1 p. 101 - 104

7664-93-9 structure

7664-93-9

2142-31-6 structure

2142-31-6

~%

3421-67-8 structure

3421-67-8

Literature: Cassella and Co. Patent: DE360414 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 14, p. 378

Precursor 4
2142-31-6 7154-26-9 95-94-3 7664-93-9
DownStream 4
51-17-2 95-94-3 84057-62-5 84057-63-6

HS Code	2913000090
Summary	HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%

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