CAS No.3244-90-4,ASPON (TM) Suppliers

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Basic Information

Molecular Structure:
CAS No.:	3244-90-4
Name:	ASPON (TM)

Formula:	C12H28 O5 P2 S2
Molecular Weight:	378.431
Synonyms:	Propylthiopyrophosphate ([(PrO)2P(S)]2O) (6CI,7CI); Thiodiphosphoric acid ([(HO)2P(S)]2O),tetrapropyl ester (9CI); Thiopyrophosphoric acid ([(HO)2PS]2O), tetrapropylester (8CI); A 42; ASP 51; Aspon; E 8573; NPD; NSC 2550; O,O,O,O-Tetrapropyldithiopyrophosphate; Tetra-n-propyl dithionopyrophosphate; Tetra-n-propyldithiopyrophosphate
Density:	1.173g/cm³
Melting Point:	-44.9°C
Boiling Point:	381.6°Cat760mmHg
Flash Point:	184.6°C
Hazard Symbols:	Highly toxic.
Risk Codes:	21/22-50/53
Safety:	Poison by intramuscular, intravenous, and intraperitoneal routes. Moderately toxic by ingestion and skin contact. When heated to decomposition it emits very toxic fumes of PO_x and SO_x. Used as a pesticide to control chinch bugs and sod webworm in lawns and on turfs.
PSA:	129.95000
LogP:	6.45960

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Chemistry

Molecule structure of Tetra-n-propyl dithiopyrophosphate (CAS NO.3244-90-4) :

IUPAC Name: dipropoxyphosphinothioyloxy-dipropoxy-sulfanylidene-λ5-phosphane
Molecular Weight: 378.425242 g/mol
Molecular Formula: C₁₂H₂₈O₅P₂S₂
Density: 1.173 g/cm³
Boiling Point: 381.6 °C at 760 mmHg
Flash Point: 184.6 °C
Index of Refraction: 1.498
Molar Refractivity: 94.63 cm³
Molar Volume: 322.4 cm³
Polarizability: 37.51×10^-24 cm³
Surface Tension: 44.9 dyne/cm
Enthalpy of Vaporization: 60.53 kJ/mol
Vapour Pressure: 1.1E-05 mmHg at 25 °C
XLogP3-AA: 6
H-Bond Acceptor: 5
Rotatable Bond Count: 14
Exact Mass: 378.085338
MonoIsotopic Mass: 378.085338
Topological Polar Surface Area: 46.2
Heavy Atom Count: 21
Complexity: 299
Canonical SMILES: CCCOP(=S)(OCCC)OP(=S)(OCCC)OCCC
InChI: InChI=1S/C12H28O5P2S2/c1-5-9-13-18(20,14-10-6-2)17-19(21,15-11-7-3)16-12-8-4/h5-12H2,1-4H3
InChIKey: IIDFEIDMIKSJSV-UHFFFAOYSA-N
EINECS: 221-817-0

Toxicity Data With Reference

1.	orl-rat LD50:450 mg/kg	WRPCA2 World Review of Pest Control. 9 (1970),119.
2.	skn-rat LD50:1800 mg/kg	TXAPA9 Toxicology and Applied Pharmacology. 2 (1960),88.
3.	ipr-rat LD50:1100 mg/kg	AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. 8 (1953),350.
4.	orl-ckn LD50:436 mg/kg	TXAPA9 Toxicology and Applied Pharmacology. 6 (1964),147.
5.	ipr-mus LD50:8 mg/kg	CJCHAG Canadian Journal of Chemistry. 34 (1956),1819.
6.	ivn-mus LD50:3250 µg/kg	CJCHAG Canadian Journal of Chemistry. 34 (1956),1819.
7.	ims-mus LD50:4410 µg/kg	CJCHAG Canadian Journal of Chemistry. 34 (1956),1819.
8.	skn-rbt LD50:3830 mg/kg	31ZOAD Pesticide Manual. 1 (1968),42.

Consensus Reports

EPA Genetic Toxicology Program.

Safety Profile

Poison by intramuscular, intravenous, and intraperitoneal routes. Moderately toxic by ingestion and skin contact. When heated to decomposition it emits very toxic fumes of PO_x and SO_x. Used as a pesticide to control chinch bugs and sod webworm in lawns and on turfs.
Hazard Codes: Harmful Xn, N
Risk Statements: 21/22-50/53
R21/22:Harmful in contact with skin and if swallowed.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 36/37-60-61
S36/37:Wear suitable protective clothing and gloves.
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: 3018
RTECS: XN4550000
HazardClass: 6.1(b)
PackingGroup: III

Specification

Tetra-n-propyl dithiopyrophosphate (CAS NO.3244-90-4) is also called 4-01-00-01432 (Beilstein Handbook Reference) ;
Aspon ; BRN 1715467 ; Bis(O,O-di(N-propyl))phosphorothionic anhydride ; Bis-O,O-di-n-propylphosphorothionic anhydride ; Caswell No. 845A ; EPA Pesticide Chemical Code 079101 ; HSDB 1776 ; O,O,O,O-Tetra-n-propyl dithiopyrophosphate ; O,O,O,O-Tetrapropyl dithiopyrophosphate ; Propyl thiopyrophosphate ; Propyl thiopyrophosphate (((PrO)2P(S))2O) ; Tetrapropyl dithiopyrophosphate ; Tetrapropyl thiodiphosphate ; Tetrapropyl thiopyrophosphate (8CI) ; Tetrapropyldithiodifosfat [Czech] ; Thiodiphosphoric acid (((HO)2P(S))2O), tetrapropyl ester ; Thiodiphosphoric acid tetrapropyl ester (9CI) ; Thiopyrophosphoric acid (((HO)2PS)2O), tetrapropyl ester ; Thiopyrophosphoric acid, tetrapropyl ester . Tetra-n-propyl dithiopyrophosphate (CAS NO.3244-90-4) is high toxic. It will produce toxic phosphorus oxides and sulfur oxide gases when buring. So the storage environment should be ventilate, low-temperature and dry. Keep Tetra-n-propyl dithiopyrophosphate (CAS NO.3244-90-4) separate from raw materials of food.