Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Naphtho[1,2-b]thianaphthene
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Benzo[b]naphtho[2,1-d]thiophene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

239-35-0

239-35-0 structure

239-35-0 structure

Name: Naphtho[1,2-b]thianaphthene
Chemical Name: naphtho[1,2-b][1]benzothiole
CAS Number: 239-35-0
Molecular Formula: C₁₆H₁₀S
Molecular Weight: 234.316
Create Date: 2018-06-02 08:00:00
Modify Date: 2025-08-25 10:18:23

Name	naphtho[1,2-b][1]benzothiole
Synonyms	BENZO(B)NAPHTHO(2,1-D)THIOPHENE benzo[b]naphto[2,1-d]thiophene benzo[d]naphtho[1,2-b]thiophene Naphtho[1,2-b]thianaphthene 1,2-Benzo-9-thiafluorene MFCD00010043 EINECS 205-948-0 11-Thiabenzo(a)fluorene benzo[b]naptho[2,1-d]thiophene Naphtho(1,2-b)thianaphthene Benzo[a]dibenzothiophene 1,2-Benzodiphenylene sulfide Benzo[b]naphtho[2,1-d]thiophene benzo[b]naphtho[1,2-d]thiophene

Density	1.3±0.1 g/cm3
Boiling Point	434.3±14.0 °C at 760 mmHg
Melting Point	188-190ºC(lit.)
Molecular Formula	C₁₆H₁₀S
Molecular Weight	234.316
Flash Point	163.0±6.3 °C
Exact Mass	234.050323
PSA	28.24000
LogP	5.61
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.810

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
HS Code	2934999090

Precursor 7
696-59-3 234-41-3 5381-20-4 1080-32-6
7570-98-1 121823-04-9 71-43-2
DownStream 2
612-94-2 4567-49-1

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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