Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Naphth(1,8-cd)-1,2-oxathiole, 2,2-dioxide
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Naphth(1,8-cd)-1,2-oxathiole, 2,2-dioxide
Price: ￥1188.0/25g ￥488.0/5g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,8-Naphthosultone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

83-31-8

83-31-8 structure

83-31-8 structure

Name: Naphth(1,8-cd)-1,2-oxathiole, 2,2-dioxide
Chemical Name: 1,8-Naphthosultone
CAS Number: 83-31-8
Molecular Formula: C₁₀H₆O₃S
Molecular Weight: 206.218
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridazine
Create Date: 2018-08-29 19:14:37
Modify Date: 2025-08-25 11:45:31

Name	1,8-Naphthosultone
Synonyms	1,8-NAPHTHALENESULTONE Naphth[1,8-cd]-1,2-oxathiole, 2,2-dioxide MFCD00005937 Naphth(1,8-cd)-1,2-oxathiole, 2,2-dioxide 8-Naphthosultone Naphtho[1,8-cd][1,2]oxathiole 2,2-dioxide naphthosultone 1-naphthol-8-sulfonic acid sultone naphthalene-1,8-sultone 1,8-Naphthosulftone 1:8 NAPHTHOSULTONE 1,8-Naphthosulfone Einecs 201-468-0 1,8-Naphthasultone

Density	1.6±0.1 g/cm3
Boiling Point	419.5±18.0 °C at 760 mmHg
Melting Point	154-157 °C (dec.)(lit.)
Molecular Formula	C₁₀H₆O₃S
Molecular Weight	206.218
Flash Point	207.5±21.2 °C
Exact Mass	206.003769
PSA	51.75000
LogP	2.40
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.729

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	R38
Safety Phrases	S22-S28
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2934991000

82-75-7 structure

82-75-7

~92%

83-31-8 structure

83-31-8

Literature: Parker; Iqbal Journal of Organic Chemistry, 1980 , vol. 45, # 6 p. 1149 - 1151

117-22-6 structure

117-22-6

~%

83-31-8 structure

83-31-8

Literature: Chemische Berichte, , vol. 20, p. 3162

103708-12-9 structure

103708-12-9

~%

90284-71-2 structure

90284-71-2

83-31-8 structure

83-31-8

Literature: Tetrahedron Letters, , vol. 26, # 49 p. 6071 - 6074

20653-35-4 structure

20653-35-4

~%

83-31-8 structure

83-31-8

Literature: Justus Liebigs Annalen der Chemie, , vol. 247, p. 353 Chemische Berichte, , vol. 20, p. 3186

7664-93-9 structure

7664-93-9

82-75-7 structure

82-75-7

~%

83-31-8 structure

83-31-8

Literature: Helvetica Chimica Acta, , vol. 21, p. 1579,1605

64-17-5 structure

64-17-5

20653-35-4 structure

20653-35-4

~%

83-31-8 structure

83-31-8

Literature: Justus Liebigs Annalen der Chemie, , vol. 147, p. 331

7732-18-5 structure

7732-18-5

20653-35-4 structure

20653-35-4

~%

83-31-8 structure

83-31-8

Literature: Justus Liebigs Annalen der Chemie, , vol. 147, p. 331

Precursor 7
82-75-7 117-22-6 103708-12-9 20653-35-4
7664-93-9 64-17-5 7732-18-5
DownStream 5
569-42-6 117-22-6 6837-95-2 91586-81-1
60548-85-8

HS Code	2934991000
Summary	2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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