Chlorine atom is a halogen.
How much products actually contain
No product states its amount yet.
Of the products containing it, 0 list it before the 1% line and 7 after it (usually 1% or less).
Products using this ingredient
7 of 7 confirmed · likeliest to carry enough first
Head & ShouldersCharcoal Shampoo 800mL
VegamourVegamour GRO Revitalizing Shampoo
CellFusionCCellFusionC Radiance Vita Ampoule
Head & ShouldersProfessional Shampoo 300ml Double & Gift (80mL) Set of 2
Head & ShouldersCitrus Lemon/Perfume Fresh Shampoo 520ml 2-Pack Set
Head & ShouldersItchy Scalp/Cool Menthol Scalp Care Shampoo 520ml 2-Pack Set
Head & ShouldersShampoo 520ml 2-Pack Set of 4
Definition
Chlorine atom is a halogen. It has a role as a micronutrient.
Source: PubChem
Cosmetic roles
Keeps pH steadyBUFFERING
Safety & regulatory references
Korea’s toxic-substance GHS classification: Danger · H335 (category 3) · H314 (category 1A) · H280 (category 1) · +2 more
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name ＨＣｌ: 本品は、次の化学式で表される鉱酸である。
Source: JCIA labelling names (Japan)
Names & identifiers
HYDROCHLORIC ACIDINCI하이드로클로릭애씨드Korean label name (MFDS standard)ＨＣｌJapanese labelling name
- CAS No.chemical registry number
- 7647-01-0
- EC No.EU chemical inventory number
- 231-595-7
- DTXSIDUS EPA chemical ID
- DTXSID2020711
- DTXCIDUS EPA compound ID
- DTXCID20711
- IUPAC
- Hydrogen chloride
- Molecular formula
- ClH
- Molecular weight
- 36.46 g/mol
Measured properties
- Appearance
- gas
- Colour
- colourless
- Melting/freezing point
- -114 ℃
- Initial boiling point and range
- -85 ℃
- Vapour pressure
- 35.424 ㎜Hg(25℃)
- Water solubility
- 67 g/100㎖(30℃)
- Relative density
- 1.639 (g/L)
- n-Octanol/water partition coefficient (Kow)
- 0.25
- Viscosity
- 0.0000017 ㎡/s(20 ℃)
- Molecular weight
- 36.4609
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: KOSHA safety data sheets (Korea)
What products actually use it for
What the 125 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 agent47
- Processing aids not otherwise specified10
- Cleaning agent10
- Biocide10
- Plating agent4
- Chelating agent4
- Intermediate4
- Bleaching agent3
23 other uses
- Solvent3
- Corrosion inhibitor3
- Degradant/impurity (EPA)2
- Solids separation (precipitating) agent, not other2
- Plasticizer2
- Pigment2
- Chemical reaction regulator2
- Etching agent2
- Flux agent1
- Surfactant (surface active agent)1
- Flocculating agent1
- Semiconductor and photovoltaic agent1
- Anti-freeze agent1
- Soil amendments1
- Tanning agents not otherwise specified1
- Anti-scaling agent1
- Oxidizing agent1
- Catalyst1
- Fragrance1
- Surface modifier1
- Stabilizing agent1
- Other1
- Ion exchange agent1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
11 skin studies and 7 eye studies are on record.
Classed as highly irritating1
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 18 studies
- Skin corrosion/irritation - Category 1
Skin Irritation · Screening - Skin corrosion - category 1A
Skin Irritation · Screening - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) - Corrosive
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) (1981) according to - Skin Corr. 1A
Skin Irritation · Screening - Skin Corr. 1A
Skin Irritation · Authoritative - Not classified
Skin Sensitization · Screening - Category 8.2B (Category 1B)
Skin Irritation · Read Across - Category 1
Skin Irritation · Screening - Category 6.3A (Category 2)
Skin Irritation · Read Across - Category 8.2C (Category 1C)
Skin Irritation · Read Across - Ambiguous
eye irritation: in vitro / ex vivo · Screening · other guideline: OECD 492 (Reconstructed human Cornea-like Epithelium (RhCE)) equivalent or similar to - Corrosive or Irritation Persists for > 21 days
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) (1981) according to - Corrosive or Irritation Persists for > 21 days
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to - Eye Dam. 1
Eye Irritation · Screening - Category 8.3A (Category 1)
Eye Irritation · Read Across - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Category 1
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
- PECTIN EXTRACTION OF SIAMESE PUMPKIN SKIN WITH CONCENTRATION OF HYDROCHLORIC ACID (HCL) SOLUTION · 2024
- Physical Quality of Gelatin from Chicken Skin Treated with Hydrochloric Acid (HCl) in the Demineralization Process · 2023
- Optimization Chicken Bones Gelatin Extraction Using Hydrochloric Acid Immersion and Multi-Stage Thermal Treatment · 2022
- Predicting the Effectiveness of Hydrochloric Acid Treatment in an Oil Field Using the Calculation of Changes in the Skin Factor and Hydrodynamic Modeling · 2021
- Process and Kinetic Models of Hydrochloric Acid -Extracted Collagen from Bighead Carp Scale · 2015
Linked databases 19
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- IARC carcinogen classification
- 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
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- Wikidata 2