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: 3,4,5,13-tetrahydro-3H-2-benzothieno(5,4-d)naphtho(1,2-b)pyran
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

135643-41-3

135643-41-3 structure

135643-41-3 structure

Name: 3,4,5,13-tetrahydro-3H-2-benzothieno(5,4-d)naphtho(1,2-b)pyran
Chemical Name: 3a,4,5,13-tetrahydro-3H-<2>benzothieno<5,4-d>naphtho<1,2-b>pyran
CAS Number: 135643-41-3
Molecular Formula: C₁₉H₁₆OS
Molecular Weight: 292.39500
Create Date: 2016-03-17 10:29:12
Modify Date: 2025-04-28 10:56:17

Names
Properties

Name	3a,4,5,13-tetrahydro-3H-<2>benzothieno<5,4-d>naphtho<1,2-b>pyran
Synonyms	3a,4,5,13-tetrahydro-3H-[2]benzothieno[5,4-d]naphtho[1,2-b]pyran 3a,4,5,13-tetrahydro-3H-benzo[h][2]benzothieno[4,5-c]chromene 3H-Benzo(h)(2)benzothieno(4,5-c)(1)benzopyran,3a,4,5,13-tetrahydro-,(+-) 3,4,5,13-Tetrahydro-3H-2-benzothieno(5,4-d)naphtho(1,2-b)pyran 3,4-Tbnp

Density	1.32g/cm3
Boiling Point	542.7ºC at 760mmHg
Molecular Formula	C₁₉H₁₆OS
Molecular Weight	292.39500
Flash Point	282ºC
Exact Mass	292.09200
PSA	34.53000
LogP	5.02650
Vapour Pressure	2.73E-11mmHg at 25°C
Index of Refraction	1.733

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