Also known as: Hydrotreated heavy naphtha (petroleum), Naphtha (petroleum), hydrotreated heavy, nonarom., EINECS 265-150-3, UNII-3EZ541F5MW, 265-150-3 (+1 more)
CAS 64742-48-9
Naphtha, petroleum, hydrotreated heavy (CAS 64742-48-9) is a chemical substance with GHS signal word Danger; key hazard signal: H350; H340; H304. Key regulatory status: REACH registered, 13 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from ECHA CLP, EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC.
Naphtha, petroleum, hydrotreated heavy is classified GHS Danger (H350, H340, H304) in the chemicals database but is allowed in EU cosmetics.
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 |
|---|---|---|---|
| Carc. 1B; Muta. 1B; Asp. Tox. 1 | H350; H340; H304 | GHS08 | Danger |
International Chemical Safety Card hazard and exposure summary.
| Field | Value |
|---|---|
| GHS Signal Word | DANGER |
| GHS Hazard Statements | Flammable liquid and vapour May be fatal if swallowed and enters airways Toxic to aquatic life See Notes |
| Short-term Effects | The substance is mildly irritating to the eyes, skin and respiratory tract. The substance may cause effects on the central nervous system. Exposure to high concentrations of vapour could cause unconsciousness. If this liquid is swallowed, aspiration into the lungs may result in chemical pneumonitis. See Notes. |
| Long-term Effects | The substance defats the skin, which may cause dryness or cracking. See Notes. |
| 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 |
|---|---|---|
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
| Europe; Specialty occupational products | Danish Environmental Protection Agency | Danish EPA |
| Europe; Vehicle - car interior | Danish Environmental Protection Agency | Danish EPA |
| consumer_product; Europe | Danish Environmental Protection Agency | Danish EPA |
| Arts and crafts/Office supplies - general arts and crafts supplies; Europe | Danish Environmental Protection Agency | Danish EPA |
| Europe; Vehicle - car interior | Danish Environmental Protection Agency | Danish EPA |
| Europe; Vehicle - car interior | Danish Environmental Protection Agency | Danish EPA |
| Europe; Vehicle - car interior | Danish Environmental Protection Agency | Danish EPA |
| fracking; water | NY Department of Conservation | CPCat |
| Cleaning products and household care - shoes; Europe | Danish Environmental Protection Agency | Danish EPA |
| Cleaning products and household care - shoes; Europe | Danish Environmental Protection Agency | Danish EPA |
| IFRA Transparency | IFRA | IFRA |
| Europe; Vehicle - car interior | Danish Environmental Protection Agency | Danish EPA |
Toxicology endpoints rendered from public NOAEL study rows.
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| =837.5 | mg/m3 | DNEL local | inhalation | Human | ToxValDB GESTIS DNEL |
| =1.9 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB GESTIS DNEL |
| 3EZ541F5MW | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 3EZ541F5MW | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 3EZ541F5MW | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 3EZ541F5MW | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| =500 | mg/kg bw/day | LOAEL | dermal | Rat | ToxValDB HPVIS |
| =1200 | mg/m3 | LOAEL | inhalation | Rat | ToxValDB HPVIS |
| =1000 | mg/kg bw/day | NOAEL | dermal | Rat | ToxValDB HPVIS |
Showing 9 of 9 studies
Registration status from the ECHA REACH registered substances database.
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Naphtha (petroleum), hydrotreated heavy | 265-150-3 | ECHA overview → |
Australian industrial chemicals inventory status and applicable conditions.
Same-CAS cosmetic ingredient record for cross-vertical context.
Naphtha, petroleum, hydrotreated heavy (CAS 64742-48-9) is classified under EU CLP Annex VI as Carc. 1B; Muta. 1B; Asp. Tox. 1 with signal word Danger. Hazard statements: H350; H340; H304. Source: EU CLP Annex VI (ECHA).
Naphtha, petroleum, hydrotreated heavy has 9 NOAEL studies in the database. The lowest reported value is 1.9 mg/m3 via inhalation in Human. Source: ToxValDB GESTIS DNEL.
Naphtha, petroleum, hydrotreated heavy appears on 8 regulatory/inventory lists including inert_ingredient; non_food_use; Pesticides, Europe; Specialty occupational products, Europe; Vehicle - car interior, and 5 more. Source: EPA CPDat.
Yes, Naphtha, petroleum, hydrotreated heavy is also indexed as a cosmetic ingredient under the name C10-11 Isoparaffin. 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, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Naphtha, petroleum, hydrotreated heavy is classified GHS Danger (H350, H340, H304) in the chemicals database but is allowed in EU cosmetics.
Naphtha, petroleum, hydrotreated heavy also appears in cosmetics databases.