*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : DA0780000
CHEMICAL NAME : Benzene, ethynyl-
CAS REGISTRY NUMBER : 536-74-3
LAST UPDATED : 199710
DATA ITEMS CITED : 5
MOLECULAR FORMULA : C8-H6
MOLECULAR WEIGHT : 102.14
WISWESSER LINE NOTATION : 1UU1R
SYNONYMS/TRADE NAMES :
* Acetylene, phenyl-
* Ethynylbenzene
* Phenylacetylene
* Phenylacetylide
* Phenylethyne
* 1-Phenylethyne
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 10 mL/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis)
Lungs, Thorax, or Respiration - acute pulmonary edema
Blood - hemorrhage
REFERENCE :
AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60.
For publisher information, see AEHLAU. Volume(issue)/page/year: 19,403,1959
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems
Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010)
Volume(issue)/page/year: NX#04866
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X4674
No. of Facilities: 7 (estimated)
No. of Industries: 1
No. of Occupations: 1
No. of Employees: 28 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***