7440-04-2

7440-04-2 structure

Name: Osmium
Chemical Name: osmium atom
CAS Number: 7440-04-2
Molecular Formula: Os
Molecular Weight: 190.230
Catalog: Inorganic chemical industry Simple substance
Create Date: 2018-09-01 09:47:59
Modify Date: 2026-07-04 03:43:14

Name	osmium atom
Synonyms	metallicosmium powder99 OsMiuM (trace Metal basis) OSMIUM STANDD OsmiumpowderNmesh Ammonium hexachloroosmate(IV) solution Osmium nanopowder, APS nm EINECS 231-114-0 Osmium metal powder, -325 Mesh sponge 0.1ug/g each of Au Osmium Powder, -200 Mesh (Metals Basis) OSMIUM Metallic osmium 100mg/l each of Au Osmium metal powder, -20 Mesh sponge Osmium metal powder, -60 Mesh sponge Osmium powder, -200 mesh Osmium metal powder, -200 Mesh sponge Osmium, AAS standd solution, Speure(R), Os 1000μg/ml MFCD00011147 Pt in HCl Osmium powder (-100 mesh or microns) I-MS Precious Metals Standd - 8 components Osmiumpowder OSMIUM PLASMA EMISSION STANDD Osmium, plasma standd solution, Speure(R), Os 1000μg/ml Osmium powder Elemental Impurities acc. to ICH - Q3D - Oral Concentrations Standd 3:7 components ICalibration Standd - 8 components OSMIUM POWDER Osmium metal powder, sponge Osmium powder, -20 mesh OSMIUM ATOMIC ABSORPTION STANDD OSMIUM, POWDER OSMIUM METAL Ru in HCl Osmium plasma standd solution, Os 1000μg/mL OSMIUM, SPONGE OSMIUM POWDER: , 2N8 OSMIUM: , POWDER Osmium powder (-20 mesh or microns) ICH - Q3D - Inhalation Concentrations Standd 3: 7 components OSMIUM STANDARD OSMIUM, AAS STANDD SOLUTION OSMIUM PLASMA EMISSION SPECTROSCOPY STANDD Osmium AAS standd solution, Os 1000μg/mL Osmium standd for AAS Osmium powder, trace OSMIUM ISO 9001：2015 REACH 10mg/l each of Au Osmium metal powder, -100 Mesh sponge OSMIUM, PLASMA STANDD SOLUTION Osmium Nanopticles 10ug/g each of Au Osmium Nanorods

Density	22,48 g/cm3
Boiling Point	5027 °C(lit.)
Melting Point	3045 °C(lit.)
Molecular Formula	Os
Molecular Weight	190.230
Exact Mass	191.961502
Appearance	sponge

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RN1100000

CHEMICAL NAME :: Osmium

CAS REGISTRY NUMBER :: 7440-04-2

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: Os

MOLECULAR WEIGHT :: 190.20

WISWESSER LINE NOTATION :: OS

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 17 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - nausea or vomiting

REFERENCE :: SMSJAR Scottish Medical and Surgical Journal. (Edinburgh, Scotland) For publisher information, see SMDJAK. Volume(issue)/page/year: 26,131,1826 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3984 No. of Facilities: 25 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 63 (estimated) No. of Female Employees: 6 (estimated)

Symbol	GHS02, GHS05, GHS07
Signal Word	Danger
Hazard Statements	H228-H315-H318-H335
Precautionary Statements	P210-P261-P280-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;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	F,Xi
Risk Phrases	11-37/38-41-36/38
Safety Phrases	S16-S26-S36/37/39
RIDADR	UN 3089 4.1/PG 2
WGK Germany	-
RTECS	RN1100000
Packaging Group	II
Hazard Class	4.1

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