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CAS RN: 126-33-0

Tetrahydrothiophene 1,1-Dioxide

Product Availability

Choose a grade to view its available package options.

15 package records15 with current stock6 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250616 100g / 500g / 2.5kg / 10kg / 12X500g Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260207 100g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250510 10kg In stock Shanghai Inquiry
Batchno.20260530 1kg In stock Shanghai Inquiry
Batchno.20251110 25kg In stock Shanghai Inquiry
Batchno.20250611 500g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250109 100g In stock Shanghai, Shandong, Guangdong, Chongqing Inquiry
Batchno.20260326 100ml In stock Shanghai, Shandong, Chongqing, Hebei Inquiry
Batchno.20250404 500g In stock Shanghai, Shandong Inquiry
Batchno.20260308 500ml In stock Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260412 100g In stock Shanghai, Chongqing Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250603 1L In stock Shanghai, Shandong, Guangdong, Hebei Inquiry
Batchno.20250420 250ml In stock Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batchno.20250423 5L In stock Shandong, Hebei Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250802 5ml In stock Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
  • Product code: SSC-031435
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 100g, 500g, 1000g, 10000g, 25000g
  • Available purity: >98%
  • Inventory rows with stock: 5
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 126-33-0
Pack Size Recorded Purity Available Qty Ship From Inquiry
100g >98% 5 In Stock Shanghai Inquiry
500g >98% 5 In Stock Beijing Inquiry
1000g >98% 5 In Stock Shanghai Inquiry
10000g >98% 5 In Stock Hong Kong Inquiry
25000g >98% 5 In Stock Shenzhen Inquiry

126-33-0 / thiolane 1,1-dioxide

Standard CAS: 126-33-0 Multi CAS: No
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
126-33-0
Multi CAS
No
Molecular Formula
C4H8O2S
Molecular Weight
120.170000
Exact Mass
120.024501
SMILES
C1CCS(=O)(=O)C1
InChI
InChI=1S/C4H8O2S/c5-7(6)3-1-2-4-7/h1-4H2
InChIKey
HXJUTPCZVOIRIF-UHFFFAOYSA-N

Physical Properties

Melting Point
79 °F (USCG, 1999) 27.4-27.8 °C
Boiling Point
545 °F at 760 mmHg (USCG, 1999) 285 °C
Density
1.26 at 86 °F (USCG, 1999) - Denser than water; will sink 1.2606 at 30 °C/4 °C
Physical Description
Sulfolane is a colorless oily liquid with a weak oily odor. Solidifies (freezing point is 79 °F) and sinks on first contact with water, then mixes with water. (USCG, 1999) Liquid; Other Solid Liquid; mp = 27.4-27.8 deg C; White solid; [HSDB] Colorless liquid; mp = 26 deg C; [CAMEO] Colorless solid; mp = 27 deg C; [SIDS UNEP] Colorless crystalline solid; mp = 25-28 deg C
Appearance
White or creamy white, crystalline powder
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
7
Fraction Csp3
1
H-bond acceptors
2
Molar refractivity
27.89
TPSA
34.14

LogP / Solubility

WLOGP
0.2
MLOGP
0.16
XLogP3
-0.8
Consensus LogP
-0.15
Log S (ESOL)
-0.71
Class (ESOL)
Very soluble
Log S (Ali)
-0.69
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.6
Class (SILICOS-IT)
Very soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.31

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5

Safety & Transport

Pictogram(s)
Irritant Health Hazard
Signal
Warning Danger
GHS Hazard Statements
H302: Harmful if swallowed [Warning Acute toxicity, oral] H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral] H360 (22.7%): May damage fertility or the unborn child [Danger Reproductive toxicity] H360FD (28.3%): May damage fertility; May damage the unborn child [Danger Reproductive toxicity] Not Classified
Precautionary Statement Codes
P264, P270, P301+P317, P330, and P501 P203, P264, P270, P280, P301+P317, P318, P330, P405, and P501 P203, P264+P265, P280, P305+P351+P338, P318, P337+P317, P405, and P501

Applications of CAS 126-33-0

This compound is commonly used in materials science and advanced materials development, organic synthesis and chemical building blocks, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 126-33-0 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.

Physical & Chemical Properties

IUPAC Namethiolane 1,1-dioxide

Safety Information (GHS)

Pictogram(s): GHS07, GHS08. Signal word: Warning.

Precautionary statements: P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)

Request the SDS (Safety Data Sheet) for full hazard and safety documentation.

Storage & Handling

Storage: Store under inert gas. Avoid: Air Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.

Quotation & Packaging

Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.

Quality & Compliance

Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.

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