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

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

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: Guajen
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

581-40-8

581-40-8 structure

581-40-8 structure

Name: Guajen
Chemical Name: 2,3-dimethylnaphthalene
CAS Number: 581-40-8
Molecular Formula: C₁₂H₁₂
Molecular Weight: 156.224
Catalog: Chemical reagent Organic reagent Polycyclic compound
Create Date: 2018-05-12 08:00:00
Modify Date: 2025-08-26 13:30:06
Solubility in Toluene：almost transparency

Name	2,3-dimethylnaphthalene
Synonyms	EINECS 209-463-5 Guajen 2,3-Dimethylnaphthalene MFCD00004119 Naphthalene, 2,3-dimethyl-

Density	1.0±0.1 g/cm3
Boiling Point	268.9±10.0 °C at 760 mmHg
Melting Point	103-104 °C(lit.)
Molecular Formula	C₁₂H₁₂
Molecular Weight	156.224
Flash Point	114.0±9.7 °C
Exact Mass	156.093903
LogP	4.37
Vapour Pressure	0.0±0.3 mmHg at 25°C
Index of Refraction	1.605

Hazard Codes	Xn
Risk Phrases	22
Safety Phrases	S23-S24/25
WGK Germany	3
HS Code	2902909090

Precursor 10
1009632-00-1 77130-15-5 1076-61-5 71-43-2
6262-45-9 65957-27-9 78239-36-8 78239-38-0
78239-37-9 67-56-1
DownStream 9
10561-93-0 1076-61-5 21564-92-1 92-24-0
5334-79-2 19930-62-2 207-18-1 19930-59-7
431-03-8

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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