What is the GHS hazard classification for Butyraldehyde?
Butyraldehyde (CAS 123-72-8) is classified under EU CLP Annex VI as Flam. Liq. 2 with signal word Danger. Hazard statements: H225. Source: EU CLP Annex VI (ECHA).
Also known as: Butanal, 4-01-00-03229, BRN 0506061, EINECS 204-646-6, FEMA Number 2219 (+11 more)
CAS 123-72-8
Butyraldehyde (CAS 123-72-8) is a chemical substance with GHS signal word Danger; key hazard signal: H225. Key regulatory status: REACH registered, 42 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from ECHA CLP, EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC, EPA TRI.
Butyraldehyde is prohibited in EU cosmetics but has active industrial GHS classifications (H225).
CAS, identifiers, formula, and alternate names for the matched substance record.
EU harmonized hazard classification, hazard statements, pictograms, and signal word.
| Hazard Class | H-Statements | Pictograms | Signal |
|---|---|---|---|
| Flam. Liq. 2 | H225 | GHS02 | Danger |
International Chemical Safety Card hazard and exposure summary.
| Field | Value |
|---|---|
| GHS Signal Word | DANGER |
| GHS Hazard Statements | Highly flammable liquid and vapour May be harmful if swallowed or in contact with skin Causes serious eye irritation Harmful to aquatic life |
| Short-term Effects | The substance is irritating to the eyes, skin and respiratory tract. |
| Routes of Exposure | The substance can be absorbed into the body by inhalation of its vapour and by ingestion. |
Industrial and product-use categories associated with this substance.
Inventory, screening, and regulatory list matches from public chemical databases.
| List | Keyword | Source |
|---|---|---|
| air; detected; emissions; Europe; Toys and children's products | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; Arts and crafts/Office supplies - fabric treatment and dye; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Toys and children's products | Danish Environmental Protection Agency | Danish EPA |
| consumer_product; detected | Elsevier | CPCat |
| air; Cleaning products and household care; detected; emissions | Elsevier | CPCat |
| air; detected; emissions; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Toys and children's products | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Toys and children's products | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Toys and children's products | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Toys and children's products | Danish Environmental Protection Agency | Danish EPA |
| air; detected; emissions; Europe; Road vehicles | Danish Environmental Protection Agency | Danish EPA |
| Europe | European Commission | Fl@vis |
| detected; Europe; Other direct contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| Australia; Food and drug - smoking-related products | New Zealand ESR | CPCat |
| IFRA Transparency | IFRA | IFRA |
| food_additive; Substances Added to Food (formerly EAFUS) (2/2019) | FDA | United States Food and Drug Administration (FDA) |
| consumer_product | P&G | Proctor & Gamble |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| air; Cons electronics mech appliances and machinery; detected; emissions; Europe | Danish Environmental Protection Agency | Danish EPA |
| Australia; Food and drug - smoking-related products | New Zealand ESR | CPCat |
| IFRA Transparency | IFRA | IFRA |
Toxicology endpoints rendered from public NOAEL study rows.
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| 3 | unitless | EPA Classification | Ocular | Rabbit | NTP_ICE_eye_irritation |
| 3 | unitless | EPA Classification | Ocular | Rabbit | NTP_ICE_eye_irritation |
| 3 | unitless | EPA Classification | Ocular | Rabbit | NTP_ICE_eye_irritation |
| 3 | unitless | EPA Classification | Ocular | Rabbit | NTP_ICE_eye_irritation |
| H21352682A | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| H21352682A | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| H21352682A | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| H21352682A | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 2 | unitless | GHS Classification | Ocular | Rabbit | NTP_ICE_eye_irritation |
| 2 | unitless | GHS Classification | Ocular | Rabbit | NTP_ICE_eye_irritation |
| 2 | unitless | GHS Classification | Ocular | Rabbit | NTP_ICE_eye_irritation |
| 2 | unitless | GHS Classification | Ocular | Rabbit | NTP_ICE_eye_irritation |
| 2B | IARC group | IARC carcinogenicity classification | - | - | IARC Monographs |
| 2B | IARC group | IARC carcinogenicity classification | - | - | IARC Monographs |
| 2B | IARC group | IARC carcinogenicity classification | - | - | IARC Monographs |
| - | % | Incidence of positive responses | Dermal | Human | NTP_ICE_skin_sensitization |
| 675 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP_ICE_skin_sensitization |
| 0.15 | %/sec | Intensity | Ocular | - | NTP_ICE_eye_irritation |
| 0.15 | %/sec | Intensity | Ocular | - | NTP_ICE_eye_irritation |
| 0.15 | %/sec | Intensity | Ocular | - | NTP_ICE_eye_irritation |
| 0.15 | %/sec | Intensity | Ocular | - | NTP_ICE_eye_irritation |
| =2490 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
| =5890 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
| ~3030 | mg/m3 | LEL | inhalation | Mouse | ToxValDB_ECHA_IUCLID |
| ~4570 | mg/m3 | LEL | inhalation | Mouse | ToxValDB_ECHA_IUCLID |
| ~16600 | mg/m3 | LEL | inhalation | Rat | ToxValDB_ECHA_IUCLID |
| =56034.4 | mg/m3 | LEL | inhalation | Human | ToxValDB_DOE_Protective_Action_Criteria |
| =368.647 | mg/m3 | LOAEC | inhalation | Rat | ToxValDB_ECHA_IUCLID |
| =5898.35 | mg/m3 | LOAEC | inhalation | Dog | ToxValDB_ECHA_IUCLID |
| =75 | mg/kg bw/day | LOAEL | oral | Rat | ToxValDB_ECHA_IUCLID |
| =345.054 | mg/m3 | LOAEL | inhalation | Rat | ToxValDB_TX_TCEQ |
| 80 | s | Lag time | Ocular | - | NTP_ICE_eye_irritation |
| 80 | s | Lag time | Ocular | - | NTP_ICE_eye_irritation |
| 80 | s | Lag time | Ocular | - | NTP_ICE_eye_irritation |
| 80 | s | Lag time | Ocular | - | NTP_ICE_eye_irritation |
| =151.293 | mg/m3 | NOAEC | inhalation | Rat | ToxValDB_ECHA_IUCLID |
| =5898.35 | mg/m3 | NOAEC | inhalation | Mouse | ToxValDB_ECHA_IUCLID |
| =51.3 | ppm | NOAEL | - | Rat | ToxValDB_TX_TCEQ |
| =150 | mg/kg bw/day | NOAEL | oral | Mouse | ToxValDB_ECHA_IUCLID |
| =625 | mg/kg bw/day | NOAEL | oral | Mouse | ToxValDB_ECHA_IUCLID |
| =678.311 | mg/m3 | NOAEL | inhalation | Human | ToxValDB_TX_TCEQ |
| =27.0145 | mg/m3 | NOAEL (HEC ADJ) | inhalation | Rat | ToxValDB_TX_TCEQ |
| =625 | mg/kg bw/day | NOEL | oral | Rat | ToxValDB_ECHA_IUCLID |
| 18 | % | Plateau level | Ocular | - | NTP_ICE_eye_irritation |
| 18 | % | Plateau level | Ocular | - | NTP_ICE_eye_irritation |
| 18 | % | Plateau level | Ocular | - | NTP_ICE_eye_irritation |
| 18 | % | Plateau level | Ocular | - | NTP_ICE_eye_irritation |
| 3 | unitless | Relative reliability score | Dermal | Human | NTP_ICE_skin_sensitization |
Showing 48 of 48 studies
Registration status from the ECHA REACH registered substances database.
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Butyraldehyde | 204-646-6 | ECHA overview → |
TRI hazard and reporting flags for the matched chemical.
| Chemical | Category | Flags |
|---|---|---|
| Butyraldehyde | - | - |
Australian industrial chemicals inventory status and applicable conditions.
Same-CAS cosmetic ingredient record for cross-vertical context.
Same-CAS pharmaceutical records from drug and bioactivity sources.
Same-CAS cannabis compliance and lab records where available.
1 cannabis record found in efsa substances.
View full cannabis profile →Butyraldehyde (CAS 123-72-8) is classified under EU CLP Annex VI as Flam. Liq. 2 with signal word Danger. Hazard statements: H225. Source: EU CLP Annex VI (ECHA).
Butyraldehyde has 48 NOAEL studies in the database. The lowest reported value is 3 unitless via Ocular in Rabbit. Source: NTP_ICE_eye_irritation.
Butyraldehyde appears on 14 regulatory/inventory lists including air; detected; emissions; Europe; Toys and children's products, air; Cons electronics mech appliances and machinery; detected; emissions; Europe, Cons electronics mech appliances and machinery; detected; emissions; Europe, and 11 more. Source: EPA CPDat.
Yes, Butyraldehyde is also indexed as a cosmetic ingredient under the name Butyraldehyde. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.
Safety data is sourced from ECHA CLP Annex VI, EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, ILO/WHO ICSC, EPA Toxics Release Inventory, CosIng / Ingredients DB, ChEMBL / DailyMed, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.
Butyraldehyde is prohibited in EU cosmetics but has active industrial GHS classifications (H225).
Butyraldehyde also appears in cosmetics, pharmaceutical, cannabis databases.