Copper(II) sulfate is a metal sulfate compound having copper(2+) as the metal ion.
How much products actually contain
No product states its amount yet.
Of the products containing it, 2 list it before the 1% line and 3 after it (usually 1% or less).
Products using this ingredient
5 of 5 confirmed · likeliest to carry enough first
Definition
Copper(II) sulfate is a metal sulfate compound having copper(2+) as the metal ion. It has a role as a sensitiser, an emetic and a fertilizer. It contains a copper(2+).
Source: PubChem
US FDA substance register · UNII KUW2Q3U1VV · registered name Cupric sulfate anhydrous · single chemical substance
Cosmetic roles
Safety & regulatory references
Korea’s toxic-substance GHS classification: Danger · H318 (category 1) · H302 (category 4) · H400 (category 1) · +1 more
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name 硫酸銅: 本品は、硫酸（＊）の銅塩であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 7758-98-7
- EC No.EU chemical inventory number
- 231-847-6
- DTXSIDUS EPA chemical ID
- DTXSID6034479
- DTXCIDUS EPA compound ID
- DTXCID4014479
- IUPAC
- Copper(2+) sulfate
- Molecular formula
- CuO4S
- Molecular weight
- 159.6 g/mol
Measured properties
- Appearance
- Cupric sulfate appears as a white or off-white solid. Melting point 200 °C with decomposition. Non-combustible. · Dry Powder, Large Crystals, Liquid, Other Solid, Wet Solid, CBI
- Odour
- Pleasant odor · odourless
- Boiling point
- 650 · 650 °C (decomp to cupric oxide)
- Melting point
- 590 · 590 °C decomp
- Solubility
- Very soluble in hot water, soluble cold water · Soluble in methanol (1.1 g/100 ml), but insoluble in ethanol, it readily dissolves in aqueous ammonia and excess alkali metal cyanides, with the formation of complexes
- Density
- 2.29 at 59 °F (USCG, 1999) - Denser than water, will sink · 3.6
- pH
- 3,5~4,5
- Melting/freezing point
- 560 ℃
- Flammability (solid, gas)
- not flammable
- Water solubility
- 22 g/100㎖(20℃)
- Relative density
- 3.6
- n-Octanol/water partition coefficient (Kow)
- -0.17 (est.)
- Decomposition temperature
- 650 ℃
- Molecular weight
- 159.6
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 33 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.
- Soil amendments7
- Biocide5
- Plating agent4
- Intermediate3
- Softener and conditioner2
- Pigment2
- Processing aids not otherwise specified2
- Flavouring and nutrient2
5 other uses
- Flocculating agent2
- No specific technical function1
- Chemical reaction regulator1
- Flotation agent1
- Surface modifier1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
7 skin studies and 4 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 11 studies
- Category 6.5B (Category 1)
Skin Sensitization · Read Across - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) according to EU Method B.6 (Skin Sensitisation) according to EPA OTS 798.4100 (Skin Sensitisation) - Category 6.3A (Category 2)
Skin Irritation · Read Across - Category 1
Skin Sensitization · Screening - Category 1
Skin Irritation · Screening - Skin Irrit. 2
Skin Irritation · Authoritative - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to - Eye Irrit. 2
Eye Irritation · Authoritative - Category 1
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
- Copper Sulfate Drowning: A Case Report · 2021
- The application of copper sulfate mixed with Caesalpinia sappan L. extract to increase colorfastness in pressed blush products · 2024
- Effect of copper sulfate on the external microbiota of adult common snook (Centropomus undecimalis) · 2021
- Enhancement of the optical properties of copper sulfate crystal by the influence of shock waves · 2020
- Acute copper sulfate poisoning resulting from dermal absorption. · 2018
Linked databases 19
- 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 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