Basic information
- Name:
Diantimony trioxide
- CAS No.:
1309-64-4
- Molecular Structure:
- Formula:
- Sb2O3
- Molecular Weight:
- 291.52
- Deleted CAS:
- 10042-99-6|12423-58-4|154396-41-5|178989-93-0|212793-41-4|97048-22-1|97048-23-2
- Synonyms:
- A 120 (corrosion inhibitor);AN 800;AP 50 (metal oxide);AT 3B;AT 3CN;Antimony Bloom100A;Antimony oxide;Antimonyoxide (SbO1.5);Antimony trioxide;Antimony white;Atox R;Atox S;C.I. 77052;Chemetron Fire Shield;Exitelite;F 45 (oxide);FSPO 405;FireShield H;Fireshield FSPO 405;Flame Cut 610R;Flameguard VF 59;HM 203P;KN (oxide);LS-FR;LSB 80;MSA(flame retardant);Nyacol A 1510LP;Patox A;Patox C;Patox H;Patox K;Patox L;Patox MK;Patox P;Patox S;Performax 401;Polysafe 100T;Pyroguard AN 800;Pyroguard AN 900;RAC 1;SHLB 80;Sanka Anchimonzol C;Stibital;TMS (flameretardant);Thermoguard B;Thermoguard S;Timonox RT;Timonox Red Star;Triox Blanc;Trutin 40;UF;Ultrafine II;White Star N;
- EINECS:
- 215-175-0
- Density:
- 5.20 g/cm3
- Melting Point:
- 656 ºC (subl.)
- Boiling Point:
- 1456 ºC
- Solubility:
- Slightly soluble in water: <0.1 g/100 mL at 20 ºC
- Appearance:
- white powder
- Hazard Symbols:
Xn,
Xi- Risk Codes:
- 40
- Safety Description:
- 22-36/37 Details
- Transport Information:
- UN 9201
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Chemistry
Molecular Structure:
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Molecular Formula: O3Sb2
Molecular Weight: 291.5182
IUPAC Name: Oxo(oxostibanyloxy)stibane
Synonyms of Diantimony trioxide (CAS NO.1309-64-4): DI-Antimony trioxide ; Antimon(iii)oxide ; Antimony trioxide ; Antimony oxide ; Antimonous oxide ; Antimony(+3)oxide ; SB Oxide ; a1530
CAS NO: 873-74-5
Product Categories: Industrial/Fine Chemicals ; Inorganic Chemicals ; Flame retardant ; Flame retardants ; UVCBs-inorganic ; Inorganics ; A-B, Puriss p.a.Metal and Ceramic Science ; Analytical Reagents for General Use ; Puriss p.a. ; 51: Sb ; AntimonyMaterials Science ; AntimonyMetal and Ceramic Science ; Catalysis and Inorganic Chemistry ; Chemical Synthesis ; Nanomaterials ; Nanoparticles: Oxides, Nitrides, and Other CeramicsNanomaterials ; Nanopowders and Nanoparticle Dispersions ; Antimony ; Metal and Ceramic Science ; Oxides
Melting point: 655 °C
Boiling Point: 1550 °C(lit.)
Density: 5.20
Flash Point: 1550°C subl.
Form: powder
Water Solubility: Slightly soluble. <0.1 g/100 mL at 20 ºC
Merck: 14,711
Stability: Stable.
Uses
Diantimony trioxide (CAS NO.1309-64-4) is used as flame retardant for textiles, polymers, and coatings. It is also used as opacifying agent for glasses, ceramics and enamels. Besides it is usde as pigment Diantimony white and a catalyst in the production of POLYETHYLENE terephthalate.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| dog | LDLo | intravenous | 3mg/kg (3mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935. | |
| mammal (species unspecified) | LD | subcutaneous | > 120mg/kg (120mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 8(7), Pg. 25, 1964. | |
| mouse | LD50 | intraperitoneal | 172mg/kg (172mg/kg) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 23, 1982. | |
| rabbit | LDLo | skin | 2gm/kg (2000mg/kg) | National Technical Information Service. Vol. OTS0555447, | |
| rabbit | LDLo | subcutaneous | 2500ug/kg (2.5mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935. | |
| rat | LD50 | intraperitoneal | 3250mg/kg (3250mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. | |
| rat | LD50 | oral | > 34600mg/kg (34600mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) SKIN AND APPENDAGES (SKIN): HAIR: OTHER | National Technical Information Service. Vol. OTS0555447, |
| rat | LD50 | subcutaneous | 7904mg/kg (7904mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 38(1), Pg. 99, 1973. |
Safety Profile
Hazard Codes of Diantimony trioxide (CAS NO.1309-64-4): 
Xn,Xi
Risk Statements: 40
R40: Limited evidence of a carcinogenic effect.
Safety Statements: 22-36/37
S22: Do not breathe dust.
S36/37: Wear suitable protective clothing and gloves.
RIDADR: 1549
WGK Germany: 2
RTECS: CC5650000
Hazard Note: Irritant
HazardClass: 6.1
PackingGroup: III
Specification
Diantimony trioxide (CAS NO.1309-64-4) is the most important commercial compound of Diantimony. It is found in nature as the minerals VALENTINITE and senarmontite.