Niobium(V) Chloride

Modify Date: 2025-08-21 15:57:08

Niobium(V) Chloride Structure
Niobium(V) Chloride structure
 Common Name Niobium(V) Chloride
CAS Number 10026-12-7 Molecular Weight 270.173
Density 2.75 Boiling Point 254ºC
Molecular Formula Cl5Nb Melting Point 204.7-209.5ºC
MSDS Chinese USA Flash Point 248.2°C
Symbol GHS05 GHS07
GHS05, GHS07		 Signal Word Danger

 Names

Name Niobium(V) Chloride
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.75
Boiling Point 254ºC
Melting Point 204.7-209.5ºC
Molecular Formula Cl5Nb
Molecular Weight 270.173
Flash Point 248.2°C
Exact Mass 267.752319
LogP 3.44750

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QU0350000
CHEMICAL NAME :
Niobium chloride
CAS REGISTRY NUMBER :
10026-12-7
LAST UPDATED :
199710
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
Cl5-Nb
MOLECULAR WEIGHT :
270.16
WISWESSER LINE NOTATION :
NB G5

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 :
1400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA. (Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year: 31(7-9),328,1966
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
40 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EQSSDX Environmental Quality and Safety, Supplement. (Stuttgart, Fed. Rep. Ger.) V.1-5, 1975-76. Discontinued. Volume(issue)/page/year: 1,1,1975
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
829 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA. (Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year: 31(7-9),328,1966
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
61 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory depression Kidney, Ureter, Bladder - urine volume increased
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 4,385,1962 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
420 mg/kg/12W-C
TOXIC EFFECTS :
Liver - changes in liver weight
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 4,385,1962

 Safety Information

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H302-H312-H314-H332
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C:Corrosive;
Risk Phrases R22;R34
Safety Phrases S25-S36/37/39-S45
RIDADR UN 3260 8
WGK Germany 3
RTECS QU0350000
Packaging Group III
Hazard Class 8

 Synthetic Route

 Articles1

More Articles
Structural Distortions in Six-Coordinate Adducts of Niobium(V) and Tantalum(V).

Inorg. Chem. 36 , 3623, (1997)

The mixed chloro-aryloxide compounds [M(OC(6)H(3)Pr(i)(2)-2,6)(2)Cl(3)](2) (M = Nb (1a), Ta (1b); both structurally characterized) and [M(OC(6)H(3)Pr(i)(2)-2,6)(3)Cl(2)] (M = Nb (2a), Ta (2b)) react w...

 Synonyms

MFCD00011127
EINECS 233-059-8
Niobium(V) chloride
pentachloroniobium
Niobium chloride
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