1-Isocyanatobutane

Modify Date: 2024-01-02 17:56:03

1-Isocyanatobutane Structure
1-Isocyanatobutane structure
Common Name 1-Isocyanatobutane
CAS Number 111-36-4 Molecular Weight 99.131
Density 0.9±0.1 g/cm3 Boiling Point 115.0±0.0 °C at 760 mmHg
Molecular Formula C5H9NO Melting Point 85.5℃
MSDS Chinese USA Flash Point 17.8±0.0 °C
Symbol GHS02 GHS05 GHS06 GHS08
GHS02, GHS05, GHS06, GHS08
Signal Word Danger

 Names

Name n-butyl isocyanate
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 115.0±0.0 °C at 760 mmHg
Melting Point 85.5℃
Molecular Formula C5H9NO
Molecular Weight 99.131
Flash Point 17.8±0.0 °C
Exact Mass 99.068413
PSA 29.43000
LogP 2.42
Vapour density 3 (vs air)
Vapour Pressure 19.4±0.2 mmHg at 25°C
Index of Refraction 1.429

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NQ8250000
CHEMICAL NAME :
Isocyanic acid, butyl ester
CAS REGISTRY NUMBER :
111-36-4
LAST UPDATED :
199710
DATA ITEMS CITED :
15
MOLECULAR FORMULA :
C5-H9-N-O
MOLECULAR WEIGHT :
99.15
WISWESSER LINE NOTATION :
OCN4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
600 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 20(3),53,1976
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3 gm/m3
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 20(3),53,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 20(3),53,1976
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
680 mg/m3
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 20(3),53,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1 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#05701
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
6 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal)
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0528441
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
250 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 20(3),53,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0528347 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
15 mg/m3/6H/5D-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Lungs, Thorax, or Respiration - changes in lung weight Biochemical - Metabolism (Intermediary) - other proteins
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 66,118,1992 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 1 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83605 No. of Facilities: 23 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 585 (estimated)

 Safety Information

Symbol GHS02 GHS05 GHS06 GHS08
GHS02, GHS05, GHS06, GHS08
Signal Word Danger
Hazard Statements H225-H302-H311-H314-H330-H334
Precautionary Statements P210-P260-P280-P284-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F:Flammable
Risk Phrases R11;R21/22;R26;R34;R37;R42/43
Safety Phrases S23-S26-S28-S36/37/39-S45
RIDADR UN 2485 6.1/PG 1
WGK Germany 1
RTECS NQ8250000
Packaging Group I
Hazard Class 6.1(a)
HS Code 2929109000

 Synthetic Route

 Customs

HS Code 2929109000
Summary 2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Articles15

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Assessing N,N'-Dibutylurea (DBU) formation in soils after application of n-butylisocyanate and benlate fungicides.

J. Agric. Food Chem. 52(4) , 747-54, (2004)

N,N'-Dibutylurea (DBU) is a breakdown product of benomyl [methyl 1-(butylcarbamoyl)-2-benzimidazole carbamate], the active ingredient in Benlate fungicides, and has been proposed as one cause for crop...

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J. Biol. Chem. 282(49) , 35741-8, (2007)

Nitric oxide (NO) is a physiologically relevant activator of the hemoprotein soluble guanylate cyclase (sGC). In the presence of NO, sGC is activated several hundredfold above the basal level by a mec...

 Synonyms

n-butyl isocynate
n-Butyl isocyanate
1-Isocyanatobutane
1-Butyl Isocyanate
Butylisocyanat
n-C4H9NCO
Butyl isocyanate
Isocyanic Acid Butyl Ester
EINECS 203-862-8
n-bic
Butane, 1-isocyanato-
ISOCYANATOBUTANE
n-butyl isocyanante
butyl-isocyanate
BIC
MFCD00002046