Bis(2-chloroethyl) P-(2-chloroethyl)phosphonate
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Bis(2-chloroethyl) P-(2-chloroethyl)phosphonate
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CAS No:
6294-34-4
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Formula:
C6H12Cl3O3P
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Chemical Name:
Bis(2-chloroethyl) P-(2-chloroethyl)phosphonate
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Synonyms:
Phosphonic acid,P-(2-chloroethyl)-,bis(2-chloroethyl) ester;Phosphonic acid,(2-chloroethyl)-,bis(2-chloroethyl) ester;Ethanol,2-chloro-,(2-chloroethyl)phosphonate (2:1);Bis(2-chloroethyl) P-(2-chloroethyl)phosphonate;Bis(β-chloroethyl) β-chloroethylphosphonate;Bis(2-chloroethyl) (2-chloroethyl)phosphonate;Bis-chloroethyl 2-chloroethanephosphonate;NSC 9297;21343-86-2
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CAS No:
Bis(2-chloroethyl) P-(2-chloroethyl)phosphonate Basic Attributes
269.49
269.49
228-557-7
4E2R2KWC27
9297
DTXSID8027618
Characteristics
35.5
2.92910
Liquid
1.3910 g/cm3 @ Temp: 20 °C
25-26 °C
161-163 °C @ Press: 4 Torr
284.18ºC
LD50 orl-rat: 880 mg/kg NTIS** OTS0540437
Safety Information
P264, P270, P301+P312, P330, P501
H302
|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P201, P202, P260, P264, P270, P273, P281, P301+P312, P308+P313, P314, P330, P405, and P501|Aggregated GHS information provided by 44 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Bis(2-chloroethyl) P-(2-chloroethyl)phosphonate Use and Manufacturing
The preparation method is to rearrange the tris(2-chloroethyl) phosphite to obtain the phosphonic acid diester. Tris (2-chloroethyl) phosphite was added from the bottom of a stainless steel reactor with a stirrer, overflowed from the top, and continuously rearranged under stirring. The temperature was controlled at 220～240℃ and the flow rate was 75～ 80kg/h, the residence time is about 10min, and the phosphonic acid diester with content above 60% is obtained.
O,O-bis(2-chloroethyl)-2-chloroethylphosphonate is referred to as phosphonic acid diester, which is an intermediate of plant growth regulator Ethephon.
Intermediates
Pesticide, fertilizer, and other agricultural chemical manufacturing|Phosphonic acid, P-(2-chloroethyl)-, bis(2-chloroethyl) ester: ACTIVE
Computed Properties
Molecular Weight:269.5
XLogP3:1.2
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:8
Exact Mass:267.958964
Monoisotopic Mass:267.958964
Topological Polar Surface Area:35.5
Heavy Atom Count:13
Complexity:155
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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Bis(2-chloroethyl) P-(2-chloroethyl)phosphonate
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