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CAS 1660-94-2 TETRAETHYL METHYLENEDIPHOSPHONATE molecular structure lightbox
CAS RN: 1660-94-2

TETRAETHYL METHYLENEDIPHOSPHONATE

Product Availability

Choose a grade to view its available package options.

9 package records9 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250919 100ml In stock Inquiry
Batchno.20250309 25ml In stock Inquiry
Batchno.20260314 5ml In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250814 100g In stock Shanghai, Shenzhen Inquiry
Batchno.20251018 10g In stock Shanghai, Shenzhen, Tianjin, Chengdu Inquiry
Batchno.20250322 1g In stock Shanghai, Tianjin Inquiry
Batchno.20260126 25g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250719 500g In stock Shanghai, Shenzhen Inquiry
Batchno.20250507 5g In stock Shanghai, Shenzhen Inquiry
  • Product code: SSC-072481
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 5g, 10g, 1g, 25g, 100g, 500g, 1000g
  • Available purity: >95%
  • Inventory rows with stock: 10
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 1660-94-2
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g -- 5 In Stock Shenzhen Inquiry
5g >95% 5 In Stock Beijing Inquiry
10g -- 5 In Stock Beijing Inquiry
10g >95% 5 In Stock Hong Kong Inquiry
1g >95% 3 In Stock Hong Kong Inquiry
25g -- 3 In Stock Hong Kong Inquiry
25g >95% 3 In Stock Shanghai Inquiry
100g -- 2 In Stock Shenzhen Inquiry
100g >95% 2 In Stock Shanghai Inquiry
500g >95% 1 In Stock Beijing Inquiry
500g -- 0 Out of Stock Shenzhen Inquiry
1000g -- 0 Out of Stock Shanghai Inquiry

1660-94-2 / 1-[diethoxyphosphorylmethyl(ethoxy)phosphoryl]oxyethane

Standard CAS: 1660-94-2 Multi CAS: No
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
1660-94-2
Multi CAS
No
Molecular Formula
C9H22O6P2
Molecular Weight
288.210000
Exact Mass
288.089162
SMILES
CCOP(=O)(CP(=O)(OCC)OCC)OCC
InChI
InChI=1S/C9H22O6P2/c1-5-12-16(10,13-6-2)9-17(11,14-7-3)15-8-4/h5-9H2,1-4H3
InChIKey
STJWVOQLJPNAQL-UHFFFAOYSA-N

Physical Properties

Physical Description
Clear colorless liquid
State
Liquid

Computed Properties

Structural Parameters

Heavy atom count
17
Fraction Csp3
1
Rotatable bonds
10
H-bond acceptors
6
Molar refractivity
66.58
TPSA
71.06

LogP / Solubility

WLOGP
3.48
MLOGP
3.07
XLogP3
0.3
Consensus LogP
2.28
Log S (ESOL)
-3.16
Class (ESOL)
Poorly soluble
Log S (Ali)
-4.43
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-5.62
Class (SILICOS-IT)
Slightly soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.01

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
1.5

Safety & Transport

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation] H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 (88.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statement Codes
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

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