Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-(2,4-xylylazo)-2,5-xylidine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

136-21-0

136-21-0 structure

136-21-0 structure

Name: 4-(2,4-xylylazo)-2,5-xylidine
Chemical Name: 4-[(2,4-dimethylphenyl)diazenyl]-2,5-dimethylaniline
CAS Number: 136-21-0
Molecular Formula: C₁₆H₁₉N₃
Molecular Weight: 253.34200
Create Date: 2017-03-11 19:58:18
Modify Date: 2025-09-19 17:18:24

Name	4-[(2,4-dimethylphenyl)diazenyl]-2,5-dimethylaniline
Synonyms	4'-Amino-2.4.2'.5'-tetramethyl-azobenzol EINECS 205-231-2 Benzenamine,4-((2,4-dimethylphenyl)azo)-2,5-dimethyl 4-(2,4-Xylylazo)-2,5-xylidine m-Xylol-(4 azo 5)-(2-amino-p-xylol) asymm.-m-Xylol-azo-p-xylidin 4-(2,4-dimethyl-phenylazo)-2,5-dimethyl-aniline

Density	1.07g/cm3
Boiling Point	440.6ºC at 760mmHg
Molecular Formula	C₁₆H₁₉N₃
Molecular Weight	253.34200
Flash Point	220.2ºC
Exact Mass	253.15800
PSA	50.74000
LogP	5.49900
Vapour Pressure	5.83E-08mmHg at 25°C
Index of Refraction	1.579

HS Code	2927000090

95-78-3 structure

95-78-3

~%

136-21-0 structure

136-21-0

Literature: Nietzki Chemische Berichte, 1880 , vol. 13, p. 472 Justus Liebigs Annalen der Chemie, 1882 , vol. 215, p. 168 Full Text Show Details Noelting; Forel Chemische Berichte, 1885 , vol. 18, p. 2677,2681

Precursor 1
95-78-3
DownStream 3
6393-01-7 95-68-1 137-18-8

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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