Sulfur dioxide solution - SO2≈4% , CAS No.7782-99-2

CAS: 7782-99-2 Cat. No.: S615687 Peso molecular: 82.08 Número EC: 231-973-1 PubChem CID: 1100
Disponible para pedir
GRADE & PURITY SO2≈4%
Synonyms
Sulfurous acid|7782-99-2|Sulphurous acid|Schweflige saure|H2SO3|EINECS 231-973-1|acide sulfureux|acido sulfuroso|CHEBI:48854|schweflige Saeure|trioxosulfuric acid|dihydroxidooxidosulfur|UNII-J1P7893F4J|J1P7893F4J|SULPHUROSUM ACIDUM|DTXSID7042435|S(O)(OH)2
Storage
Room temperature,Argon charged
Shipped In
FedEx DG Service
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
500ml
S615687-500ml
1
9,90US$
Enter a quantity for the sizes you want to add.
🧪

Why this grade

SO2≈4% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships FedEx DG Service Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Sinónimos
Sulfurous acid | 7782-99-2 | Sulphurous acid | Schweflige saure | H2SO3 | EINECS 231-973-1 | acide sulfureux | acido sulfuroso | CHEBI:48854 | schweflige Saeure | trioxosulfuric acid | dihydroxidooxidosulfur | UNII-J1P7893F4J | J1P7893F4J | SULPHUROSUM ACIDUM | DTXSID7042435 | S(O)(OH)2
Especificaciones y pureza
SO2≈4%
Condiciones de almacenamiento de almacenamiento
Room temperature, Argon charged
Enviado en
FedEx DG Service
Este producto requiere envío en cadena de frío. Los servicios terrestres y otros servicios económicos no están disponibles.
Nombres e identificadores
Sonrisas canónicasOS(=O)O
IUPAC Namesulfurous acid
InChIKeyLSNNMFCWUKXFEE-UHFFFAOYSA-N
INCHI1S/H2O3S/c1-4(2)3/h(H2,1,2,3)
Isómeros SMILES OS(=O)O
WGK Alemania 1
PubChem CID 1100
Número ONU 1833
Grupo de embalaje II
Peso molecular 82.08

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassHomogeneous non-metal compounds
ClaseNon-metal oxoanionic compounds
SubclassNon-metal sulfites
Intermediate Tree Nodes Not available
Direct ParentNon-metal sulfites
Alternative Parents Inorganic oxides  
Molecular FrameworkNot available
Substituents Non-metal sulfite - Inorganic oxide
DescripciónThis compound belongs to the class of inorganic compounds known as non-metal sulfites. These are inorganic non-metallic compounds containing a sulfite as its largest oxoanion.
External Descriptors a small molecule
Estructura 3D
Modelo de Estructura Química Interactiva





Objetivos asociados (humanos)
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA6 Tclin Carbonic anhydrase VI (993 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA1 Tclin Carbonic anhydrase I (13240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA9 Tclin Carbonic anhydrase IX (8255 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Objetivos asociados (no humanos)
Ca7 Carbonic anhydrase VII (3 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Ca13 Carbonic anhydrase XIII (322 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA4 Carbonic anhydrase IV (1713 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Carbonic anhydrase (69 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA Alpha carbonic anhydrase (93 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mecanismos de acción
Certificados (CoA, COO, BSE/TSE y tabla de análisis)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeFechaArticulo
C2505583Certificate of AnalysisMar 15, 2025 S615687
C2505584Certificate of AnalysisMar 15, 2025 S615687
I2307477Certificate of AnalysisSep 18, 2023 S615687
I2307480Certificate of AnalysisSep 18, 2023 S615687
Propiedades químicas y físicas
SensibilidadAir sensitive
Peso molecular82.080 g/mol
XLogP3-0.500
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass81.9725 Da
Monoisotopic Mass81.9725 Da
Topological Polar Surface Area76.700 Ų
Heavy Atom Count4
Formal Charge0
Complexity26.300
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Preguntas frecuentes y artículos
Citations of This Product
Referencias
1. Zhuoyue Wang, Ji Li, Wei Song, Jingxin Yang, Wenyi Dong, Xiaolei Zhang.  (2023)  Bisphenol A degradation by chlorine dioxide (ClO2) and S(IV)/ClO2 process: Mechanism, degradation pathways and toxicity assessment.  ENVIRONMENTAL POLLUTION,      [PMID:37838321] [10.1016/j.envpol.2023.122736]
2. Feilong Qiu, Xiaoyu Zhang, Yu Qiao, Xueping Zhang, Han Deng, Tianrui Shi, Ping He, Haoshen Zhou.  (2017)  An ultra-stable and enhanced reversibility lithium metal anode with a sufficient O2 design for Li-O2 battery.  Energy Storage Materials,      [PMID:] [10.1016/j.ensm.2017.12.011]
3. Xiaomin Yuan, Bo Zhu, Xun Cai, Jianjun Liu, Kun Qiao, Junwei Yu.  (2016)  Optimization of interfacial properties of carbon fiber/epoxy composites via a modified polyacrylate emulsion sizing.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2016.12.234]
4. He Tang, Xihe Yang, Fengjian Chu, Shiwen Zhou, Wangyu Li, Yongqi Li, Haiyan Zhang, Zechen Yu, Hongru Feng, Yuanjiang Pan.  (2025)  Oxidation of Organic Sulfur at the Air–Water Interface of Microdroplets: A New Way of Atmospheric Particle Precursor Formation.  ACS Environmental Au,      [PMID:41583862] [10.1021/acsenvironau.5c00168]
Calculadoras de soluciones
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