Organic Solvents Differential Diagnoses
- Author: Jonathan S Rutchik, MD, MPH; Chief Editor: Tarakad S Ramachandran, MBBS, FRCP(C), FACP more...
Differential Diagnoses
- Alcohol (Ethanol) Related Neuropathy
- Anterior Circulation Stroke
- Arsenic
- Brainstem Gliomas
- CNS Melanoma
- Diabetic Neuropathy
- Disorders of Carbohydrate Metabolism
- Glioblastoma Multiforme
- HIV-1 Associated CNS Complications (Overview)
- HIV-1 Associated Neuromuscular Complications (Overview)
- Leptomeningeal Carcinomatosis
- Low-Grade Astrocytoma
- Multiple Sclerosis
- Neuropathy of Leprosy
- Neurosarcoidosis
- Neurosyphilis
- Thyroid Disease
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| Compound | Industrial Uses |
| Acetone | Cleaning solvent |
| Acrylamide | Mining and tunneling, adhesives, waste treatment, ore processing |
| Benzene | Fuel, detergents, paint removers, manufacture of other solvents |
| Carbon disulfide | Viscose rayon, explosives, paints, preservatives, textiles, rubber cement, varnishes, electroplating |
| Ethylene oxide (ETO) | Instrument sterilization |
| N- hexane | Glues and vegetable extraction, components of naphtha, lacquers, metal cleaning compounds |
| Hydrogen sulfide | Sulfur chemical manufacturing, by-product of petroleum processing, decay of organic matter |
| Methane | Industrial settings |
| Methyl mercaptan | Odorant in natural gas and fuels |
| Methyl-N- butyl ketone | Many industrial uses |
| Methylene chloride (dichloromethane) | Solvent, refrigerant, propellant |
| Organochlorine | Insecticides |
| Organophosphates | Insecticides |
| PCE | Dry cleaning, degreaser, textile industry |
| Styrene | Fiberglass component, ship building |
| Toluene | Paint, fuel oil, cleaning agents, lacquers, paints and paint thinners |
| 1,1,1-Trichloroethane (methyl chloroform) | Degreaser and propellant |
| TCE | Cleaning agent, paint component, decaffeination, rubber solvents, varnish |
| Vinyl chloride | Intermediate for polyvinylchloride resins for plastics, floor coverings, upholstery, appliances, packaging |
| Xylene | Paint, lacquers, varnishes, inks, dyes, adhesives, cements, fixative for pathologic specimens |
| Compound | Urine | Blood | Expired Air |
| Acetone | Acetone, formic acid 100 mg/L | Acetone | Acetone |
| Benzene | Total phenol 50 mg/g at the end of the shift, trans-trans- muconic acid | Benzene | Benzene before shift, 0.08 ppm; end exhaled, 0.12 ppm |
| Carbon disulfide | 2-TTCA 5 mg/g* | Carbon disulfide | Carbon disulfide |
| ETO | None | None | None |
| N- hexane | 2,5-hexanediol 5 mg/g at the end of the shift, 2-hexanol, total metabolites | N- hexane | N- hexane |
| Hydrogen sulfide | None | None | None |
| Methane | None | None | None |
| Methyl mercaptan | None | None | None |
| Methanol | Formic acid 80 mg/g at the start of the work week, methanol 15 mg/g at the end of the shift | None | Methanol |
| Methyl-N- butyl ketone | None | 2,5-hexane dione | None |
| Methylene chloride | None | MeCl2 | MeCl2 |
| Organochlorine | None | None | None |
| Organophosphates | None | None | None |
| PCE | PCE, trichloroacetic acid | PCE 1 mg/L | PCE 10 ppm before the last shift of the week |
| Styrene | End of the shift: mandelic acid (MA) 800 mg, phenylglyoxylic acid (PGA) 240 mg/g) Before shift: MA 300 mg/g or PGA 100 mg/g | Styrene 0.02 mg/L at the start of the shift, 0.55 mg/L at the end of the shift | None |
| Toluene | Hippuric acid | Toluene | Toluene |
| 1,1,1-Trichlorethane (methyl chloroform) | TCA 10 mg/L at the end of the work week; total trichloroethanol at the end of the shift and at the end of the work week, 30 mg/L | Total trichloroethanol 1 mg/L | Methyl chloroform 40 ppm before the last shift of the work week |
| TCE | TCE, TCA 100 mg/g at the end of the work week or TCA plus trichloroethanol 300 mg/g | TCE at the end of the work week 4 mg/L | TCE |
| Vinyl chloride | None | None | None |
| Xylene | Methylhippuric acid 1.5 g/g at the end of the shift | Xylene | Xylene |
| * TTCA - 2-thiothiazolidine 4-carboxylic acid. | |||
| Compound | ppm, mg/m,3 | ||
| OSHA PEL as TWAs | NIOSH REL as TWAs, IDLH | ACGIH TLV, STEL | |
| Acetone | 1000 (2400) | 250 (590), 2500 | 750 (1780) ceiling, 1000 (2380) |
| Acrylamide | 0.3 | (0.03), 60 level for carcinogenicity | None |
| Benzene | 10, 25 ceiling, 50 for 10 min | 0.1, STEL 1, 500 | 10 (32) |
| Carbon disulfide | 20, 30, 100 for 30 min | 1 (3), 10 STEL (30), 500 | 10 (31) |
| ETO | < 0.1, < 0.18, 5 ceiling, 800 | 1 (1.8) | |
| N- hexane | 500 (1800) | 50 (180), 1100 | 50 (176) |
| Hydrogen sulfide | 20 ceiling, 50 for 10 min once only | 10 ceiling, (15) for 10 min, 100 | None |
| Methyl mercaptan | 10 ceiling (20) | 0.5 ceiling, (1) for 15 min, 150 | None |
| Methanol | 200 (260) | 200 (260), 250 STEL (325), 6000 | 262 (200), 328 (250) |
| Methyl-n- butyl ketone | 100 (410) | None | 5 (20) |
| Methylene chloride | 25, 15 STEL for 15 min | 2300 level for carcinogenicity | 50 (174) ceiling |
| Perchloroethylene | 100, 200 ceiling, 300 for 5 min in 3 h | 150 level for carcinogenicity | 25 (170), 100 (685) |
| Styrene | 100, 200 ceiling, 600 for 5 min in 3 h | 50 (215), 100 ST (425), 700 | 50 (213), 100 (428) |
| Toluene | 200, 300, 500 for 10 min | 100 (375), 150 STEL (560), 500 | 50 (188) |
| 1,1,1-Trichlorethane (methyl chloroform) | 350 (1900) | Ceiling 350 (1900) for 15 min, 700 | 350 (1910), 450 (2460) |
| Trichloroethylene | 100, 200 ceiling, 300 for 5 min in 2 h | 1000 level for carcinogenicity | 50 (269), 100 (1070) |
| Vinyl chloride | 1, 5 for 15 min | Not determined | None |
| Xylene | 100 (435) | 100 (435), 150 STEL (655) | 100 (434),150 (651) |
| Abbreviations—ACGIH = American Congress of Governmental Industrial Hygienists, IDLH = Immediately dangerous to life or health; NIOSH = National Institute for Occupational Safety and Health, OSHA = Occupational Safety and Health Administration, PEL = permissible exposure limit, REL = recommended exposure limit; STEL = short-term exposure limit; TWA = time-weighted average. | |||

