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: Naphthalene,1,2,3,4-tetrahydro-5,7-dimethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

21693-54-9

21693-54-9 structure

21693-54-9 structure

Name: 5,7-dimethyltetralin
Chemical Name: 5,7-dimethyl-1,2,3,4-tetrahydronaphthalene
CAS Number: 21693-54-9
Molecular Formula: C₁₂H₁₆
Molecular Weight: 160.255
Create Date: 2018-07-05 18:10:33
Modify Date: 2025-08-25 04:49:12

Name	5,7-dimethyl-1,2,3,4-tetrahydronaphthalene
Synonyms	5,2,3,4-tetrahydronaphthalene] Naphthalene,1,2,3,4-tetrahydro-5,7-dimethyl 1,3-Dimethyl-5,6,7,8-tetrahydro-naphthalin 5,7-Dimethyl-1,2,3,4-tetrahydronaphthalene 5,7-dimethyltetralin 1,3-dimethyltetraline 5,7-Dimethyl-1,2,3,4-tetrahydro-naphthalin 5,7-dimethyl-1,2,3,4-tetrahydro-naphthalene Naphthalene, 1,2,3,4-tetrahydro-5,7-dimethyl- 1,2,3,4-tetrahydro-6,8-dimethylnaphthalene

Density	0.9±0.1 g/cm3
Boiling Point	250.0±35.0 °C at 760 mmHg
Molecular Formula	C₁₂H₁₆
Molecular Weight	160.255
Flash Point	99.9±14.5 °C
Exact Mass	160.125198
LogP	4.82
Vapour Pressure	0.0±0.2 mmHg at 25°C
Index of Refraction	1.537

HS Code	2902909090

Precursor 7
332346-77-7 575-41-7 556-96-7 932-66-1
29800-56-4 60096-32-4 154206-65-2
DownStream 1
575-41-7

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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