| Agent Name |
Oil mist, mineral |
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| CAS Number |
8012-95-1 |
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| Major Category |
Other Chemicals |
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| Synonyms |
Adepsine oil; Alboline; BVM 100N; Balneol; Bayol 55; Bayol F; Biobase 300; Blandlube; Caloria HT 43; Cantenex SM 925; Carnation 70; Catenex 956; Catenex OR; Catenex P 491; Catenex P 941; Citgo 340 Neutral; Clenvex AS 58; Coker gatch oil; Conosol C 200; Crystol 325; Crystosol; Drakeol; Flexon 845; Fonoline; Glymol; Heavy liquid petrolatum; Heavy mineral oil; Irgawax 361; Jute batching oil; Kaydol; Kondremul; Liquid paraffin; Liquid petrolatum; Liquid vaseline; MagieSol 44; Mineral oil; Mineral oil (saturated parrafin oil); Mineral oil hydrocarbon solvent (petroleum); Mineral oil, heavy; Mineral oil, pale; Mineral oil, white; Mineral oils; Mineral seal oil; Molol; Neo-Cultol; Nujol; Oil,mineral; Paraffin oil; Paraffin oils; Paraffin, liquid; Paraffinic mineral oil; Paraffinic oil; Paraffins; Parol; Paroleine; Peneteck; Penreco; Perfecta; Petrogalar; Petrolatum, liq; Petrolatum, liquid; Primol 355; Primol D; Protopet; Saxol; Shellflex 371N; Sunpar 150; Tech Pet F; USP mineral oil; Ultrol 7; Uvasol; White mineral oil; White oil; White oils; [ChemIDplus] |
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| Category |
Other Organic Compounds |
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| Description |
Colorless, oily liquid aerosol dispersed in air. [Note: Has an odor like burned lubricating oil.]; [NIOSH] |
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| Sources/Uses |
There are 3 classes of metalworking fluids (MWF). Mineral oil mist is in the first class of straight oils without added water. The other 2 classes are soluble/semi-synthetic and synthetic with no added oil. MWFs are described as either "neat" as supplied by the vendor or "in-use." In-use MWFs contain biocides as well as metal and microbial contaminants not present in the neat products. [Rosenstock, p. 1043-54] |
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| Comments |
Since the 1960s, the use of oil-based metalworking fluids (MWFs) has declined with increasing substitution of emulsified and synthetic fluids. [Burgess, p. 147] Asthma reported in toolsetters; [Malo] The cause of "Metalworking Fluids HP," one type of hypersensitivity pneumonitis, is microbially contaminated, water-based metalworking fluids used by machinists, and the antigens are probably Mycobacteria chelonae or fungi. "In conclusion, the large number of case reports, the cancer incidence study, and the case-control study suggest that primarily straight MWF exposure is associated with an increased risk for skin and scrotal cancer." [Occupational Exposure to Metalworking Fluids, NIOSH] Preservatives used in MWFs include: Dowicil 75, Tris Nitro, Grotan BK, Triadine-10, Onyxide-200, Vancide TH, Myacide BT. [Marks, p. 89] See the Disease "Metalworking fluids HP" and the Process "Metal Machining." |
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| Reference Link |
OSHA: Metalworking Fluids |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| TLV (ACGIH) |
5 mg/m3 |
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| STEL (ACGIH) |
10 mg/m3 |
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| PEL (OSHA) |
5 mg/m3 |
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| IDLH (NIOSH) |
2500 mg/m3 |
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| Excerpts from Documentation for IDLHs |
Basis for revised IDLH: The available toxicological data contain no evidence that an acute exposure to a high concentration of oil mist (mineral) would impede escape or cause any irreversible health effects within 30 minutes. |
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| Lethal Concentration |
LC50 (rats) = 2,062 ppm/4h |
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| Explanatory Notes |
For metalworking fluid aerosols, NIOSH REL = 0.5 (Total particulate mass) or 0.4 (Thoracic particulate mass); [p. 1, Pub # 98-102] See 2008 Notice of Intended Changes for "Mineral oil." [ACGIH]; Flash point = 135 deg C; |
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| Reference Link |
Controlling health risks from workplace exposure to metalworking fluids in the United Kingdom engineering industry |
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| Flammability (NFPA) |
1: must be preheated |
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| Adverse Effects |
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| Asthma |
Yes |
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| Fibrogenic |
Yes |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: MINERAL OIL
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