Ammonium sulfite monohydrate - ≥92% , CAS No.7783-11-1

CAS: 7783-11-1 Cat. No.: A111146 Molecular Weight: 134.16 EC Number: 684-263-2
AVAILABLE TO ORDER
GRADE & PURITY ≥92%
Synonyms
CPM8SC708E | AKOS015855393 | diazanium;sulfite;hydrate | UNII-CPM8SC708E | Ammonium sulfite monohydrate [MI] | Sulfurous acid, diammonium salt, monohydrate | ammonium sulphite monohydrate | DTXSID201043487 | Diammonium sulfite monohydrate | ASPXBYAQZVXSNS
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100g
A111146-100g
2
$17.90
500g
A111146-500g
3
$59.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥92% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,Room temperature Ships Normal 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
CPM8SC708E | AKOS015855393 | diazanium;sulfite;hydrate | UNII-CPM8SC708E | Ammonium sulfite monohydrate [MI] | Sulfurous acid, diammonium salt, monohydrate | ammonium sulphite monohydrate | DTXSID201043487 | Diammonium sulfite monohydrate | ASPXBYAQZVXSNS
Specifications & Purity
≥92%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥92%
Names and Identifiers
Pubchem Sid504769026
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504769026
Canonical Smiles[NH4+].[NH4+].O.[O-]S(=O)[O-]
IUPAC Namediazanium;sulfite;hydrate
InChIKeyASPXBYAQZVXSNS-UHFFFAOYSA-N
INCHI1S/2H3N.H2O3S.H2O/c;;1-4(2)3;/h2*1H3;(H2,1,2,3);1H2
Isomeric SMILES [NH4+].[NH4+].O.[O-]S(=O)[O-]
WGK Germany 3
Molecular Weight 134.16
Reaxy-Rn 16474117
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=16474117&ln=

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

3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

20 results found

Lot NumberCertificate TypeDateItem
L2526071Certificate of AnalysisDec 17, 2025 A111146
L2526043Certificate of AnalysisDec 17, 2025 A111146
L2526042Certificate of AnalysisDec 17, 2025 A111146
B2520178Certificate of AnalysisAug 14, 2024 A111146
L2516076Certificate of AnalysisAug 14, 2024 A111146
H2423425Certificate of AnalysisAug 14, 2024 A111146
H2423421Certificate of AnalysisAug 14, 2024 A111146
H2423420Certificate of AnalysisAug 14, 2024 A111146
B2520179Certificate of AnalysisAug 14, 2024 A111146
H2407126Certificate of AnalysisNov 24, 2023 A111146
L2305064Certificate of AnalysisNov 24, 2023 A111146
L2305065Certificate of AnalysisNov 24, 2023 A111146
L2305072Certificate of AnalysisNov 24, 2023 A111146
F2403338Certificate of AnalysisNov 24, 2023 A111146
K2313086Certificate of AnalysisOct 30, 2023 A111146
L2207030Certificate of AnalysisNov 25, 2022 A111146
L2207033Certificate of AnalysisNov 25, 2022 A111146
L2207036Certificate of AnalysisNov 25, 2022 A111146
G2204056Certificate of AnalysisJul 07, 2022 A111146
A2214222Certificate of AnalysisJan 18, 2022 A111146

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Chemical and Physical Properties
SolubilitySoluble in water. Insoluble in acetone and alcohol
SensitivityAir Sensitive
Refractive Index1.515
Melt Point(°C)60-70℃
Citations of This Product
References
1. Yongheng Xiong, Qin Zhong, Man Ou, Wei Cai, Shipeng Wan, Yang Yu, Shule Zhang.  (2018)  Efficient Inhibition of N2O during NO Absorption Process Using a CuO and (NH4)2SO3 Mixed Solution.  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,      [PMID:] [10.1021/acs.iecr.8b03307]
2. Yongheng Xiong, Yiqing Zeng, Wei Cai, Shule Zhang, Jie Ding, Qin Zhong.  (2018)  Experimental study on reaction characteristics of NO in (NH4)2SO3 solution.  JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,      [PMID:] [10.1016/j.jiec.2018.05.010]
3. Yuhang Jiao, Huijie Yan, Qingxin Meng, Shiling Jia, Shuang Liu, Huixuan Zhang, Zhongyu Fu.  (2024)  Polymerization of acrylonitrile in dimethyl carbonate: A kinetic and mechanistic study.  POLYMER,      [PMID:] [10.1016/j.polymer.2024.127878]
4. Yu-Ning Hu, Di Chen, Tian-Yi Zhang, Jun Ding, Yu-Qi Feng.  (2019)  Use of ammonium sulfite as a post-column derivatization reagent for rapid detection and quantification of aldehydes by LC-MS.  TALANTA,      [PMID:31514828] [10.1016/j.talanta.2019.120172]
5. Hao-ran XU, Wei-chao HUANG, A.V. RAVINDRA, Duc-lenh PHAN, Thi-quynh-xuan LE, Li-bo ZHANG, Shao-hua YIN.  (2025)  Efficient oxidation of thiosulfate in solution using multistage method.  TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,      [PMID:] [10.1016/S1003-6326(25)66846-4]
Solution Calculators
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