Sodium sulfite is an inorganic sodium salt having sulfite as the counterion.
How much products actually contain
No product states its amount yet.
Of the products containing it, 10 list it before the 1% line and 48 after it (usually 1% or less).
Products using this ingredient
12 of 56 confirmed · likeliest to carry enough first · See all 56
COSRXCOSRX The Vitamin C 13 Serum
COSRXCOSRX The Vitamin C 13 Serum
DASHUDASHU Color Fast Change Hair Dye 120g (3 Types)
LANEIGERadian-C Vitamin Spot Ampoule
MiseensceneAll New Easy & Quick Bubble Hair Dye (Gray Coverage)
MiseensceneAll New Easy & Quick Cream Hair Dye (Gray Coverage/Root Touch-Up)
Labo HCooling & No-Sebum Shampoo 750ml
Labo HCooling & No-Sebum Shampoo 333ml Special Set (Hair Loss Relief Functional)
Labo HLabo H Cooling & No-Sebum Shampoo 750ml
LAVIENLAVIEN Vita C Glow Brightening Vita Toning Ampoule 15ml x 4
Paul MitchellPaul Mitchell Foaming Pomade
ILLIYOONCica Acne Body Wash 400ml
Definition
US FDA substance register · UNII VTK01UQK3G · registered name Sodium Sulfite · single chemical substance
Sodium sulfite is an inorganic sodium salt having sulfite as the counterion. It has a role as a reducing agent and a food preservative. It is an inorganic sodium salt and a sulfite salt. It contains a sulfite.
Source: PubChem
Sodium Sulfite is the inorganic salt that conforms to the formula:
Cosmetic roles
Safety & regulatory references
- Restricted
- China · South Korea · Taiwan
- Allowed preservative
- Taiwan · United Kingdom
Source: MFDS (Korea) cosmetic regulatory information · EU Cosmetics Regulation · Taiwan FDA cosmetic ingredients · UK cosmetics regulations (OPSS)
Argentina · Brazil
- Field of application and/or use : (a) an oxidizer in hair dyes (b) straighteners hair products (c) facial sunless d) Other self-tanning
- Maximum concentration permitted at final product : (a) 0,67% expressed as SO 2free (b) 6.7% expressed as SO 2 free (c) 0.45% expressed as SO 2free d) 0,40% expressed as SO 2free
ASEAN
- Field of application and/or use : (a) Oxidative hair dye products (b) Hair straightening products (c) Self- tanning products for the face (d) Other self- tanning products
- Maximum authorised concentration in the finished cosmetic product : (a) 0.67 % expressed as free SO2 (b) 6.7 % expressed as free SO2 (c) 0.45 % expressed as free SO2 (d) 0.40 % expressed as free SO2
- Other limitations and requirements : For purposes other than inhibiting the development of microorganisms in the product. This purpose has to be apparent from the presentation of the product As a preservative, see Annexe VI, Part 1, No 9
European Union
- Product Type, body parts : (a) Oxidative hair dye products (b) Hair straightening products (c) Self-tanning products for the face (d) Other self-tanning products
- Maximum concentration in ready for use preparation : (a) 0.67% (as free SO2) (b) 6.7% (as free SO2) (c) 0.45% (as free SO2) (d) 0.40% (as free SO2)
- Other : For purposes other than inhibiting the development of micro-organisms in the product. This purpose has to be apparent from the presentation of the product
- Maximum concentration in ready for use preparation : 0.2% (as free SO2)
Source: MFDS (Korea) cosmetic regulatory information
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Restriction III/99 V/9
Source: EU CosIng ingredient list
Reviewed by CIR: Sulfites
Reviewed by CIR: Final Report on the Safety Assessment of Sodium Sulfite, Potassium Sulfite, Ammonium Sulfite, Sodium Bisulfite, Ammonium Bisulfite, Sodium Metabisulfite, and Potassium Metabisulfite
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name 亜硫酸Ｎａ: 本品は、亜硫酸の二ナトリウム塩であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 7757-83-7
- EC No.EU chemical inventory number
- 231-821-4
- DTXSIDUS EPA chemical ID
- DTXSID2044260
- DTXCIDUS EPA compound ID
- DTXCID0024260
- IUPAC
- Disodium sulfite
- Molecular formula
- Na2O3S
- Molecular weight
- 126.04 g/mol
Measured properties
- Appearance
- Sodium sulfite is a white odorless powder. Density 2.633 g / cm3. Moderately toxic. Sinks in water and dissolves slowly. Also transported as a heptahydrate Na2SO3.7H2O. · Other Solid, Dry Powder, CBI, Large Crystals, Liquid
- Odour
- Odorless · odourless
- Boiling point
- Decomposes (NTP, 1992) · Decomposes
- Melting point
- Decomposes (NTP, 1992) · 911 °C
- Solubility
- Soluble in 3.2 parts (NTP, 1992) · Colorless, monoclinic crystals, demsity: 1.56 g/cu cm, solubility: 30.7 g/100 g water at 25 °C, slightly solluble in ethanol, unstable /Sodium sulfite heptahydrate/
- Density
- 2.633 at 59 °F (USCG, 1999) - Denser than water, will sink · 2.63 g/cu cm
- Stability
- It is fairly stable and does not oxidize as readily as hydrated sulfite. · Unstable, oxidizing in air to sulfate /heptahydrate/
- pH
- 8,5-11,5 (anhydrous: 10 % solution, heptahydrate: 20 % solution) · pH about 9
- Colour
- white
- Melting/freezing point
- &, gt, 500 ℃
- Initial boiling point and range
- &, gt, 100 ℃
- Flash point
- &, gt, 93.3 ℃
- Vapour pressure
- 0.1 ㎜Hg (&, lt, 0.1 mmHg)
- Water solubility
- 230000 ㎎/ℓ
- Relative density
- 2.63
- n-Octanol/water partition coefficient (Kow)
- -4
- Molecular weight
- 126.04
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 108 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Corrosion inhibitor42
- Preservative12
- Stabilizing agent10
- Processing aids not otherwise specified10
- Filler5
- pH regulating agent4
- Hair waving or straightening (EPA)3
- Antioxidant3
15 other uses
- Reducing agent2
- Oxidizing agent2
- Flux agent2
- Fixing agent (mordant)2
- Food preservative (EPA)1
- Photosensitive agent1
- Dye1
- Bleaching agent1
- Brightener1
- Fragrance1
- Plasticizer1
- Intermediate1
- Surfactant (surface active agent)1
- Solvent1
- Softener and conditioner1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 2 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 4 studies
- Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) , adopted 1981-05-12 equivalent or similar to - Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) , 2002-04-24 - Eye damage - category 1
Eye Irritation · Screening - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to
Source: US EPA CompTox dashboard
Related literature
- Comparative data on effects of alkaline pretreatments and enzymatic hydrolysis on bioemulsifier production from sugarcane straw by Cutaneotrichosporon mucoides. · 2019
- Hydrolysis Optimization and In Vitro Anti-aging Effect of Cihateup Duck Eggshell Membrane · 2024
- Sulfites · 2023
- Study of the toxicological characteristics of water-soluble surface-active substances obtained based on phenol, formaldehyde and sodium sulphite · 2020
- Sodium metabisulfite – a marker for cosmetic allergy? · 2007
Linked databases 24
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- EU Cosmetics Regulation
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- MFDS (Korea) cosmetic regulatory information 2 3
- NIST Chemistry WebBook
- PubChem 2
- Taiwan FDA cosmetic ingredients
- Tlooto literature search 2 3 4 5
- UK cosmetics regulations (OPSS)
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2 3
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · Korean · English · Japanese · Chinese