Inorganic sulfites and hydrogen sulfites e.g. potassium sulfite
New Zealand Cosmetic Products Group Standard Schedule 7, reference 9.
Regulatory decision and full conditions
- Status
- Permitted list with conditions
- Legal role
- Binding rule
- Regulatory summary
- New Zealand Cosmetic Products Group Standard Schedule 7, reference 9.
- Conditions and restrictions
- Maximum concentration: 0.2% (expressed as free SO2)
Substance identity
- Official source name
- Inorganic sulfites and hydrogen sulfites e.g. potassium sulfite
- CAS
- 10117-38-1
- EC
- Not supplied in this source row
- Identity mapping
- Exact CAS: 10117-38-1
- Linked ingredient
- POTASSIUM SULFITE
Linked CosIng identity data
Names and aliases
CosIng description: Potassium sulphite
EU inventory restriction note: III/99 V/9
Recorded cosmetic function: ANTIOXIDANT, HAIR WAVING OR STRAIGHTENING, PRESERVATIVE, REDUCING
Function pages:ANTIOXIDANT, HAIR WAVING OR STRAIGHTENING, PRESERVATIVE, REDUCING
View the complete ingredient profileCross-market snapshot for this identity
Exact linked records currently present in this site. An absent market means no imported exact match, not permission to use the substance.
European Union
2 linked records · 2 with specific conditions
Open supporting recordGreat Britain
1 linked record · 1 with specific conditions
Open supporting recordNew Zealand
Current record1 linked record · 1 with specific conditions
Open supporting recordASEAN
1 linked record · 1 with specific conditions
Open supporting recordVerified chemistry for CAS 10117-38-1
Potassium Sulfite
- IUPAC name
- dipotassium;sulfite
- Molecular formula
- K2O3S
- Molecular weight
- 158.26 g/mol
- Exact mass
- 157.88422800 Da
- Monoisotopic mass
- 157.88422800 Da
- Topological polar surface area
- 82.4 Ų
- Molecular complexity
- 18.0
- Formal charge
- 0
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 4
- Rotatable bonds
- 0
- Heavy atoms
- 6
- Covalent units
- 3
Names and synonyms reported to PubChem
16 more reported names
External database identifiers
- EPA DTXSID:DTXSID80889532
Advanced structure statistics
- Defined atom stereocentres
- 0
- Undefined atom stereocentres
- 0
- Defined bond stereocentres
- 0
- Undefined bond stereocentres
- 0
- 3D conformers
- 0
Machine-readable structure identifiers
- SMILES
[O-]S(=O)[O-].[K+].[K+]- InChI
InChI=1S/2K.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2- InChIKey
BHZRJJOHZFYXTO-UHFFFAOYSA-L
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Physical Description: Liquid Source: EPA Chemical Data Reporting (CDR)
- Physical Description: Dihydrate: White solid; Slowly oxidized by air to sulfate; [Merck Index] White powder; [MSDSonline] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Solubility: White crystals or crystalline powder; sol in about 3.5 parts water; decomposed by diluted acids with evolution of sulfur dioxide; pH about 8 /dihydrate/ Source: Hazardous Substances Data Bank (HSDB)
- Solubility: White-yellowish, hexagonal form; insol in ammonia; slightly sol in alcohol /dihydrate/ Source: Hazardous Substances Data Bank (HSDB)
- Note: This chemical does not meet GHS hazard criteria for 81.5% (242 of 297) of all reports. Source: European Chemicals Agency (ECHA)
- Signal: Warning Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H315 (16.5%): Causes skin irritation [Warning Skin corrosion/irritation]; H319 (18.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H335 (16.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 297 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 242 of 297 reports by companies.; There are 7 notifications provided by 55 of 297 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Signal: Danger Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- GHS Hazard Statements: H302: Harmful if swallowed [Warning Acute toxicity, oral]; H318: Causes serious eye damage [Danger Serious eye damage/eye irritation] Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- Precautionary Statement Codes: P264, P264+P265, P270, P280, P301+P317, P305+P354+P338, P317, P330, and P501 (click each P-code to see the statement) Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- Cosmetic Ingredient Review Finding(s): Safe in the present practices of use and concentration. Ingredient, concentration, and use information are available in documents discoverable at https://cir-reports.cir-safety.org Source: Cosmetic Ingredient Review (CIR)
- Consumer Uses: Etching agent; Soil amendments (fertilizers) Source: EPA Chemical Data Reporting (CDR)
- Industry Uses: Reducing agent; Soil amendments (fertilizers) Source: EPA Chemical Data Reporting (CDR)
- Cosmetic Ingredient Review Link: CIR ingredient: Potassium Sulfite Source: Cosmetic Ingredient Review (CIR)
- Sources/Uses: Used in photography, food and cosmetics (preservative and antioxidant), and drugs (cathartic and diuretic); [HSDB] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Industrial Processes with risk of exposure: Photographic Processing [Category: Other] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Uses: Photography; preservative and antioxidant in foods Source: Hazardous Substances Data Bank (HSDB)
- Uses: Medication: cathartic, diuretic Source: Hazardous Substances Data Bank (HSDB)
- Uses: COMPONENT OF PHOTOGRAPHIC DEVELOPERS; FOOD ADDITIVE (EG, PRESERVATIVE & ANTIOXIDANT); INGREDIENT IN COSMETICS (EG, HAIR PREPARATIONS) Source: Hazardous Substances Data Bank (HSDB)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| EMBL-EBI ChEBI | No exact record | 2026-08-31 |
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Official source and provenance
- Registered source
- New Zealand cosmetic product schedules 4–8
- Source reference
- Schedule 7, reference 9, source row 40
- Source record ID
S7-40- Source version
- effective-2026-01-01
- Source language
- English
- Translation status
- Original is English
- Effective date
- 2026-01-01
- Source updated
- 2024-01-01
- Snapshot checked
- 2026-08-30 04:54 UTC
- Validation method
- openpyxl extraction; reviewed per-schedule counts
- SHA-256
4e62e372fb0aad7ac630af8c41fa50b38b52a793fd51b99697a65f8ecce1ae8a
Registered dataset notes
- Dataset coverage
- Prohibited and restricted substances, permitted colorants, preservatives and UV filters
- Authority note
- Official EPA group standard schedules; current market-specific rule source
How this record fits the market dataset
Status distribution
Condition text is present on 747 of 2913 current records. An empty condition field is interpreted according to the record type above; it is never converted into an unrestricted-use claim.
New Zealand market context
Complete schedules dataset
Coverage version: Cosmetic Products Group Standard schedules effective 1 January 2026
Schedules 4–8: prohibited, restricted, colourant, preservative and UV-filter entries.
Verification checklist
- Search exact identity across Schedules 4–8.
- Apply use, concentration and warning conditions.
- Check hazardous-substance classification and Group Standard scope.
- Confirm the latest legal instrument, not only the spreadsheet.
Official market sources
- New Zealand cosmetic product schedules 4–8Official EPA group standard schedules; current market-specific rule source
Verification workflow and record completeness
Before using this result in a compliance decision
- Confirm that “Inorganic sulfites and hydrogen sulfites e.g. potassium sulfite” and every CAS/EC identifier refer to the material in your supplier specification.
- Search exact identity across Schedules 4–8.
- Apply use, concentration and warning conditions.
- Check hazardous-substance classification and Group Standard scope.
- Confirm the latest legal instrument, not only the spreadsheet.
- Document the source version and recheck the regulator before manufacture, notification or market placement.
Fields available in this record
- Official substance nameAvailable
- CASAvailable
- ECNot supplied
- Separate condition textAvailable
- Effective dateAvailable
- Snapshot hash and methodAvailable
Questions this page answers
Stable citation
Inorganic sulfites and hydrogen sulfites e.g. potassium sulfite. Schedule 7, reference 9, source row 40. New Zealand. Source version effective-2026-01-01. CosIng Checker regulatory record: https://cosingchecker.com/regulations/nz/records/9457/
Cite the regulator as the legal authority. This page is a structured evidence index and verification aid, not a substitute for the official text or professional legal assessment.
Interpretation and limits for New Zealand
This identity appears on a market positive list for the list function represented by the source record.
Confirm that the intended function and product use fall within the list scope and every stated condition.
How to interpret the legal role
The cited row forms part of a binding rule or legally incorporated list for this market.
Evidence on this page
- Recorded outcome: Permitted list with conditions
- Legal role: Binding rule
- Source version: effective-2026-01-01
- Effective date: 2026-01-01
What it does not prove
The searchable spreadsheet is an aid; the legal Group Standard and incorporated notices remain authoritative.
Further authoritative substance research
These sources can add identity, safety, exposure or hazard context. A link is not evidence that the database contains this exact substance, and none of these sources overrides the market decision above.
Cosmetic Ingredient Review safety assessments
Expert Panel conclusions, assessed ingredient groups, use conditions, dates and report documents
Independent expert review considered by FDA; not a government approval or binding market rule
Research this identity at the sourceFDA Global Substance Registration System
UNII identifiers, preferred names, substance types, codes and public substance relationships
Identity registry only; UNII availability does not imply FDA review or approval
Research this identity at the sourceILO/WHO International Chemical Safety Cards
Hazards, symptoms, first aid, storage, incompatibilities and physical properties for covered chemicals
International occupational chemical-safety reference; not cosmetic-use approval
Research this identity at the sourceJapan NITE-CHRIP
Chemical identity, Japanese and foreign legal lists, GHS hazards and exposure-related information
Chemical-management evidence; cosmetic status remains governed by the applicable MHLW standard and market rules
Research this identity at the sourceNIOSH Pocket Guide to Chemical Hazards
REL, PEL, IDLH, properties, exposure routes, symptoms, target organs, first aid and measurement methods for covered workplace chemicals
US occupational-health guidance and limits; not a cosmetic ingredient decision
Research this identity at the sourceOECD eChemPortal
Gateway to authority-owned physical-property, fate, ecotoxicity, toxicity, exposure and GHS records
Discovery gateway; each linked authority remains responsible for its data
Research this identity at the sourceUS EPA CompTox CTX APIs
API key required for importDTXSID identity, experimental and predicted properties, toxicity, bioactivity, exposure and environmental data
Scientific and computational evidence; predictions must remain labelled and do not determine cosmetic legality
Research this identity at the source