Ammonium bicarbonate is an organooxygen compound.
How much products actually contain
No product states its amount yet.
Of the products containing it, 3 list it before the 1% line and 1 after it (usually 1% or less).
Products using this ingredient
4 of 4 confirmed · likeliest to carry enough first
Definition
Ammonium bicarbonate is an organooxygen compound.
Source: PubChem
US FDA substance register · UNII 45JP4345C9 · registered name AMMONIUM BICARBONATE · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
Reviewed by CIR: Safety Assessment of Carbonate Salts as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name 炭酸水素アンモニウム: 本品は、炭酸のモノアンモニウム塩であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 1066-33-7
- EC No.EU chemical inventory number
- 213-911-5
- DTXSIDUS EPA chemical ID
- DTXSID5035618
- DTXCIDUS EPA compound ID
- DTXCID3015618
- IUPAC
- Ammonium hydrogen carbonate
- Molecular formula
- CH5NO3
- Molecular weight
- 79.055 g/mol
Measured properties
- Appearance
- Ammonium bicarbonate appears as a white crystalline solid having the odor of ammonia. Soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread to the environment. Used to make other ammonium compounds, in food processing, and for other uses. · Dry Powder, Liquid
- Odour
- Faint odor of ammonia
- Melting point
- 95 °F (USCG, 1999) · 107 °C (decomposes)
- Solubility
- Freely soluble in water. Insoluble in ethanol · Insoluble in alcohol, acetone ... One gram dissolves in 10 mL glycerol (pharmaceutical grade)
- Density
- 1.57 at 68 °F (USCG, 1999) - Denser than water, will sink · 1.586 g/cu cm
- Stability
- Comparatively stable at room temp, ... the white fumes given off consist of ammonium 21.5%, carbon dioxide 55.7%, water vapor 22.8%, rate of decomposition increases as temperature rises.
- pH
- About 8,0 (5 % solution) · pH of 0.1N solution in water at 25 °C = 7.8
- Dissociation constant
- Dissociation constant (Kd): 1.45
- Melting/freezing point
- 35.0 ℃
- Vapour pressure
- 0.000000735 ㎜Hg (at 25℃)
- Vapour density
- 2.7
- Relative density
- 1.573-1.586
- n-Octanol/water partition coefficient (Kow)
- -3.08 ((est.))
- Decomposition temperature
- 36-60 ℃
- Molecular weight
- 79.06
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 18 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.
- pH regulating agent4
- Processing aids not otherwise specified2
- Intermediate2
- Dispersing agent2
- Ion exchange agent1
- Swelling agent1
- Chemical reaction regulator1
- Surfactant (surface active agent)1
4 other uses
- Filler1
- Leavening agent (EPA)1
- Flavouring and nutrient1
- Thickening agent1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 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 3 studies
- Category 6.3B (Category 3)
Skin Irritation · Read Across - Studies Indicate No Significant Irritation
skin corrosion: in vitro / ex vivo · Screening · other guideline: OECD 431: In vitro Skin Corrosion: Human Skin Model Test according to - Category 6.4A (Category 2A)
Eye Irritation · Read Across
Source: US EPA CompTox dashboard
Related literature
- Spontaneous chitosan hydrogel formation through carbonic acid modulation: A crosslinker-free, efficient preparation for dressings. · 2025
- Capacitive flexible pressure sensor based on porous GR/PDMS composite dielectric layer · 2024
- Universal Decontaminant for Neutralization of Nerve and Vesicant Chemical Warfare Agents · 2024
- Produksi dan Pemurnian Human Epidermal Growth Factor (hEGF) Rekombinan Menggunakan Metode Heat Treatment, fraksionasi amonium sulfat dan kromatografi filtrasi gel · 2019
- NH4HCO3 gas-generating liposomal nanoparticle for photoacoustic imaging in breast cancer · 2017
Linked databases 20
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- 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
- NIST Chemistry WebBook
- PubChem 2
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2
- 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