Skip to Main Navigation Skip to Page Content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

We welcome your feedback!

Contact us with your comments.

QUICK TIPS
 
of 1

Refine

  • Categories
  • Content Type
  • Reports and Publications
  • Years
  • Formats


36 results found for "74-86-2".

  1. Abstract for TR-552 73KB

    https://ntp.niehs.nih.gov/publications/reports/tr/tr552

    Propargyl alcohol is a commercially available acetylenic primary alcohol. It is also a by-product in the industrial synthesis of butynediol from acetylene and formaldehyde with ...

  2. Abstract for TR-2 62KB

    https://ntp.niehs.nih.gov/publications/reports/tr/tr002

    CASRN: 79-01-6 Chemical Formula: C2HCl3 Molecular Weight: 131.40 Synonyms/Common Names: trichloroethene; acetylene trichloride; ethinyl trichloride; 1,1,2-trichloroethylene, TCE ...

  3. Abstract for TR-27 59KB

    https://ntp.niehs.nih.gov/publications/reports/tr/tr027

    CASRN: 79-34-5 Chemical Formula: C2H2Cl4 Molecular Weight: 167.85 Synonyms/Common Names: acetylene tetrachloride; sym-tetrachloroethane Report Date: 1978 Full Report PDF Abstract ...

  4. Abstract for RoC MGRAPH-05 59KB

    https://ntp.niehs.nih.gov/publications/roc/rocmgraph05

    CASRN: 79-01-6 Chemical Formula: C2HCl3 Molecular Weight: 131.4 Synonyms/Common Names: TCE; TRI; 1,1,2-trichloroethylene; trichloroethene; ethylene trichloride; acetylene ...

  5. Abstract for TOX-55 60KB

    https://ntp.niehs.nih.gov/publications/reports/tox/000s/tox055

    CASRN: 156-60-5 Chemical Formula: C2H2Cl2 Molecular Weight: 96.95 Synonyms/Common Names: Trans-acetylene dichloride; (E)-1,2-dichloroethene; (E)-(9Cl)-1,2-dichloroethene; ...

  6. Abstract for TR-273 63KB

    https://ntp.niehs.nih.gov/publications/reports/tr/tr273

    CASRN: 79-01-6 Chemical Formula: C2HCl3 Molecular Weight: 131.4 Synonyms/Common Names: Acetylene trichloride; 1-chloro-2,2-dichloroethylene; 1,1-dichloro-2-chloroethylene; ethinyl ...

  7. Abstract for TOX-49 65KB

    https://ntp.niehs.nih.gov/publications/reports/tox/000s/tox049

    CASRN: 79-34-5 Chemical Formula: C2H2CL4 Molecular Weight: 167.86 Synonyms/Common Names: Acetylene tetrachloride; 1,1-dichloro-2,2-dichloroethane; sym-tetrachloroethane; TCE; ...

  8. RoC Background Document: Chloroprene; Oct. 30-31, 1997 5.9MB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/newhomeroc/other_background/chloroprene1_508be.pdf

    ... acid to dimerized acetylene (Johnson, 1979a; IARC, 1979a; NTP, 1998). 1,3- Butadiene chlorination became more economical about 1965 as the price of acetylene increased and that ...

  9. TR-552: Toxicology and Carcinogenesis Studies of Propargyl Alcohol... 1.4MB

    https://ntp.niehs.nih.gov/go/tr552

    ... It is also a by-product in the industrial synthesis of butynediol from acetylene and ... alcohol that can be prepared from acetylene by high-pressure synthesis (Lewis, 1993). ...

  10. RoC Concept: Trichloroethylene 729KB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/roc/thirteenth/concepts/tce_revised_concdocroc12-31-13_508.pdf

    ... commercially since the 1920s in many countries by chlorination of ethylene or acetylene. ... 79-01-6, TCE, trichloroethene, acetylene trichloride, ethylene trichloride] ...

  11. Protocol: Methods for preparing the RoC Monograph: TCE 1.2MB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/roc/thirteenth/protocols/tce_final20140625_508.pdf

    ... OR TCE) OR trichloroethene) OR "acetylene trichloride") OR "ethylene ... 79-01-6, TCE, trichloroethene, acetylene trichloride, ethylene trichloride] TCE ...

  12. RoC Profile: Tetranitromethane; 15th RoC 2021 125KB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/roc/content/profiles/tetranitromethane.pdf

    ... By the end of the war, a less expensive method using acetylene and nitric acid was de- vised, with a reported production capacity of 10 kg/day (NTP 1990). No current estimates of ...

  13. Protocol: Methods for preparing the draft RoC Monograph: TCE 1.2MB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/roc/thirteenth/protocols/tce_protocol12-31-13_508.pdf

    ... OR TCE) OR trichloroethene) OR "acetylene trichloride") OR "ethylene ... 79-01-6, TCE, trichloroethene, acetylene trichloride, ethylene trichloride] TCE ...

  14. RoC Profile: Coke-Oven Emissions; 15th RoC 2021 119KB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/roc/content/profiles/cokeovenemissions.pdf

    ... Coke-oven gas includes hydrogen, methane, ethane, carbon monoxide, carbon diox- ide, ethylene, propylene, butylene, acetylene, hydrogen sulfide, am- monia, oxygen, and nitrogen. ...

  15. TR-273: Trichloroethylene (CASRN 79-01-6) in Four Strains of... 16.9MB

    https://ntp.niehs.nih.gov/go/tr273

    ... C2HC13 Molecular weight 131.4 Synonyms: Acetylene trichloride; l-chloro-2,2-dichloroethyle... C2HC13 Molecular weight 131.4 Synonyms: Acetylene trichloride; l-chloro-2,2-dichloroethyle...

  16. TOX-55: Toxicity Studies of trans-1,2-Dichloroethylene (CASRN... 1.7MB

    https://ntp.niehs.nih.gov/go/tox055

    ... Molecular Weight: 96.95 Synonyms: trans-Acetylene dichloride; (E)-1,2-dichloroethene; ... synthesized by direct chlorination of acetylene at 40° C, by dehydrochlorination of ...

  17. TR-002: Trichloroethylene (CASRN 79-01-6) 19.9MB

    https://ntp.niehs.nih.gov/go/tr002

    ... and Common Name: Trichloroethylene Acetylene trichloride Ethinyl trichloride ... a highly toxic precursor in the acetylene-based manufacturing process, but current ...

  18. RoC Profile: Beryllium and Beryllium Compounds; 15th RoC 2021 149KB

    https://ntp.niehs.nih.gov/ntp/roc/content/profiles/berylliumandberylliumcompounds.pdf

    ... for the production of beryllium oxide powder for ce- ramics, and beryllium nitrate is used as a chemical reagent and for stiffening mantles in gas and acetylene lamps (HSDB 2009). ...

  19. TOX-41: Toxicity Studies of 1,1,1-Trichloroethane (CASRN 76-55... 1.2MB

    https://ntp.niehs.nih.gov/go/tox041

    ... Metabolism of 1,1,1-trichloroethane to acetylene by hepatic cytochrome P450 in rats has ... Assoc. 50, 1096-1121. Dürk, H., Poyer, J.L., Klessen, C., and Frank, H. (1992). Acetylene...

  20. TOX-54: 1,4-Butanediol (CASRN 110-63-4) 577KB

    https://ntp.niehs.nih.gov/go/tox054

    ... PRODUCTION, USE, AND HUMAN EXPOSURE Industrial synthesis of 1,4-butanediol is accomplished in three steps. In the first step, formaldehyde and acetylene are condensed in the ...

  21. TOX-3: Acetone (CASRN 67-64-1) 2.6MB

    https://ntp.niehs.nih.gov/go/tox003

    ... et al., 1978, 1982), acetylene (Foley, 1985), or disulfiram (DeMaster and Nagasawa, 1977). ... 210-211. 29. Foley, R.J. (1985) I n h a l e d i n d u s t r i a l acetylene. J. Am. Med. ...

  22. TOX-49: Toxicity Studies of 1,1,2,2-Tetrachloroethane (CASRN... 1.2MB

    https://ntp.niehs.nih.gov/go/tox049

    ... CAS No. 79-34-5 Chemical Formula: C 2 H 2 Cl 4 Molecular Weight: 167.86 Synonyms: Acetylene tetrachloride; 1,1-dichloro-2,2-dichloroethane; sym-tetrachloroethane; TCE; ...

  23. TR-027: 1,1,2,2-Tetrachloroethane (CASRN 79-34-5) 3.0MB

    https://ntp.niehs.nih.gov/go/tr027

    ... The Chemical Abstracts Service (CAS) Ninth Collective Index (1977) name for this compound is 1,1,2,2-tetrachloroethane. It is also called acetylene tetrachloride or ...

  24. RoC Background Document: Trichloroethylene (TCE); Oct. 30-31... 3.3MB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/newhomeroc/other_background/trichl_tce1997_2apps_508.pdf

    ... Ethene, trichloro- (9CI) Flock flip Trichloran Ethylene, trichloro- (SCI) Fluate Trichloren Acetylene trichloride Gemalgene Trichlorethylene Algylen Germalgen Trichloroethene ...

  25. RoC Background Document: Vinyl Fluoride; Jan. 20-21, 2000 468KB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/newhomeroc/roc10/vf_no_appendices_508.pdf

    ... VF was first prepared in the early 1900s by a reaction of zinc with 1,1- difluoro-2-bromoethane . Modern preparation of VF involves a reaction of acetylene and hydrogen fluoride in ...

  26. TOX-22: N,N-Dimethylformamide (CASRN 68-12-2) 1.9MB

    https://ntp.niehs.nih.gov/go/tox022

    ... DMF is used in many hydrocarbon separations, such as the recovery or removal of acetylene and the extraction of butadiene from hydrocarbon streams (DuPont, 1980; Sax and Lewis, ...

  27. RoC Background Document: Vinyl Bromide; Jan. 20-21, 2000 220KB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/newhomeroc/roc10/vb_no_appendices_508.pdf

    ... Hydroquinone methyl ether (0.02%, used as stabilizer), ethylene oxide (0.03%), acetylene (0.0007%), and aldehydes and ketones (0.008%) were present in the VB used. The animals in ...

  28. RoC Monograph: Trichloroethylene; January 2015 4.6MB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/roc/monographs/finaltce_508.pdf

    ... 79-01-6 Molecular formula C 2 HCl 3 Synonyms TCE; TRI; 1,1,2-trichloroethylene; trichloroethene; ethylene trichloride; acetylene trichloride Source: HSDB (2012), IARC (2014). ...

  29. RoC Profile: Vinyl Halides (Selected); 15th RoC 2021 199KB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/roc/content/profiles/vinylhalides.pdf

    ... Vinyl fluoride was first prepared in the early 1900s by reaction of zinc with 1,1-difluoro-2-bromoethane. Modern preparation of vi- nyl fluoride involves reaction of acetylene and ...

  30. TR-386: Tetranitromethane (CASRN 509-14-8) in F344/N Rats and... 12.9MB

    https://ntp.niehs.nih.gov/go/tr386

    ... By the end of the war, however, a less costly method using acetylene and nitrie acid, with a reported capacity of 10 kglday, was in use. E x p o s u r e Current estimates of ...

  31. TR-467: Chloroprene (CASRN 126-99-8) in F344/N Rats and B6C3F1Mice... 14.5MB

    https://ntp.niehs.nih.gov/go/tr467

    ... PRODUCTION, USE, AND HUMAN EXPOSURE Chloroprene is produced by the addition of hydro- chloric acid to dimerized acetylene or by the chlo- rination of 1,3-butadiene (IARC, 1979; ...

  32. RoC Background Document: Diesel Exhaust Particulates; Dec. 2... 5.5MB

    https://ntp.niehs.nih.gov/sites/default/files/ntp/newhomeroc/other_background/dieselexhaust_508.pdf

    ... 1989) acetone (Volkswagen 1989) acetylene (Volkswagen 1989) acrolein (ARB 1993; ... Environ. int., 5, 485-488 Whitby, R.A. & Altwicker, E.R. (1978) Acetylene in the ...

  33. TR-289: Benzene (CASRN 71-43-2) in F344/N Rats and B6C3F1Mice... 16.4MB

    https://ntp.niehs.nih.gov/go/tr289

    ... The commercial recovery of benzene from this source was developed and described by Mans- field in 1849. The synthesis of benzene by the polymerization of acetylene was first ...

  34. TR-238: Ziram (CASRN 137-30-4) in F344/N Rats and B6C3F1Mice... 11.2MB

    https://ntp.niehs.nih.gov/go/tr238

    ... vehicle analyses were performed.) Slit width: 0.2 nm Flame: Air/ acetylene Gas flows: Air, 30 psi Acetylene, 12 psi Background correction: Hydrogen lamp Results: See Table GI * ...

  35. TR-421: Talc (CASRN 14807-96-6)(Non-Asbestiform) in F344/N Rats... 16.3MB

    https://ntp.niehs.nih.gov/go/tr421

    ... hollow cathode lamp and an air acetylene flame (Hanson et QZ., 195). 206 Talc, ... with a magnesium hollow cathode lamp and an air acetylene flame (Hanson et al., 1985). ...

  36. TR-231: Stannous Chloride (CASRN 7772-99-8) in F344/N Rats and... 8.4MB

    https://ntp.niehs.nih.gov/go/tr231

    ... 224.6 nm Slit Width: 0.2 nm Flame: Nitrous oxide/ acetylene Background correction: Hydrogen lamp Plain feed and spiked-plain feed samples were analyzed under the same conditions. ...

 
of 1