CAS 512-56-1 Trimethyl Phosphate molecular structure

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CAS RN: 512-56-1

Trimethyl Phosphate

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15 package records14 with current stock6 grade groups

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Batch No.	Package	Availability	Warehouse	Inquiry
Batchno.20260303	100g	In stock	Shanghai, Shandong, Guangdong, Hebei	Inquiry
Batchno.20250910	10kg	In stock	Shanghai, Shandong, Hebei	Inquiry
Batchno.20250729	1kg	In stock	Shanghai, Shandong, Guangdong	Inquiry
Batchno.20250725	250g	In stock	Shanghai, Shandong, Guangdong, Chongqing	Inquiry
Batchno.20260123	5kg	In stock	Shandong, Hebei	Inquiry

Batch No.	Package	Availability	Warehouse	Inquiry
Batchno.20250413	100g	In stock	Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu	Inquiry
Batchno.20260121	1kg	In stock	Shanghai, Tianjin, Chengdu	Inquiry
Batchno.20260313	25g	In stock	Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu	Inquiry
Batchno.20260501	500g	In stock	Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu	Inquiry

Batch No.	Package	Availability	Warehouse	Lead Time	Inquiry
Batchno.20250827	250mg / 1g / 5g	Confirm by inquiry	Shanghai		Inquiry

Batch No.	Package	Availability	Warehouse	Lead Time	Inquiry
Batchno.20260617	50g / 100g	Out of stock		15 business days	Inquiry

Batch No.	Package	Availability	Warehouse	Lead Time	Inquiry
Batchno.20250824	100g	In stock	Shanghai, Shandong, Guangdong		Inquiry
Batchno.20250308	25g	In stock	Shanghai, Shandong, Guangdong, Hebei		Inquiry

Batch No.	Package	Availability	Warehouse	Lead Time	Inquiry
Batchno.20250122	100g	In stock			Inquiry
Batchno.20260628	500g	In stock			Inquiry

Product code: SSC-158025

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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: 25g, 100g, 500g, 1000g
Available purity: >98%
Inventory rows with stock: 4
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 512-56-1
Pack Size	Recorded Purity	Available Qty	Ship From	Inquiry
25g	>98%	5 In Stock	Shanghai	Inquiry
100g	>98%	5 In Stock	Shenzhen	Inquiry
500g	>98%	5 In Stock	Hong Kong	Inquiry
1000g	>98%	5 In Stock	Hong Kong	Inquiry

512-56-1 / trimethyl phosphate

Standard CAS: 512-56-1 Multi CAS: No

Basic Information Physical Properties Computed Properties

Basic Information

CAS

512-56-1

Multi CAS

Molecular Formula

C3H9O4P

Molecular Weight

140.070000

Exact Mass

140.023846

InChI

InChI=1S/C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H3

InChIKey

WVLBCYQITXONBZ-UHFFFAOYSA-N

Physical Properties

Melting Point

-51 °F (NTP, 1992) -46 °C

Boiling Point

387 °F at 760 mmHg (NTP, 1992) 197.2 °C

Density

1.2144 at 68 °F (NTP, 1992) - Denser than water; will sink 1.2144 g/cu cm at 20 °C Relative density (water = 1): 1.2

Physical Description

Trimethyl phosphate appears as a pale straw colored liquid. Inhalation may irritate respiratory tract. Vapor or liquid may irritate skin or eyes. Ingestion may irritate the mucous membranes of the gastrointestinal tract. Liquid Clear liquid; [Hawley] COLOURLESS LIQUID.

Appearance

Liquid Colorless liquid

State

Liquid

Computed Properties

Structural Parameters

Heavy atom count

Fraction Csp3

Rotatable bonds

H-bond acceptors

Molar refractivity

28.63

TPSA

44.76

LogP / Solubility

WLOGP

1.03

MLOGP

0.9

XLogP3

-0.5

Consensus LogP

0.48

Log S (ESOL)

-1.16

Class (ESOL)

Soluble

Log S (Ali)

-1.45

Class (Ali)

Soluble

Log S (SILICOS-IT)

-1.79

Class (SILICOS-IT)

Soluble

ADME

GI absorption

High

BBB permeant

Yes

P-gp substrate

CYP1A2 inhibitor

CYP2C19 inhibitor

CYP2C9 inhibitor

CYP2D6 inhibitor

CYP3A4 inhibitor

Log Kp (skin permeation)

-2.84

Drug-likeness / Medicinal Chemistry

Lipinski

Yes

Ghose

Veber

Yes

Egan

Yes

Muegge

Bioavailability score

0.55

Brenk alerts

Leadlikeness

Synthetic Accessibility

1.5

Applications of CAS 512-56-1

This compound is commonly used in materials science and advanced materials development, organic synthesis and chemical building blocks, laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 512-56-1 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.

Physical & Chemical Properties

IUPAC Name

trimethyl phosphate

Safety Information (GHS)

Pictogram(s): GHS07, GHS08. Signal word: Danger.

H302 (58.6%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (60%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (53.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H340 (53.9%): May cause genetic defects [Danger Germ cell mutagenicity]
H351 (47.2%): Suspected of causing cancer [Warning Carcinogenicity]
H351: Suspected of causing cancer [Warning Carcinogenicity]
H360: May damage fertility or the unborn child [Danger Reproductive toxicity]
H302: Harmful if swallowed [Warning Acute toxicity, oral]
H315: Causes skin irritation [Warning Skin corrosion/irritation]
H320: Causes eye irritation [Warning Serious eye damage/eye irritation]
H340: May cause genetic defects [Danger Germ cell mutagenicity]
H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]

Precautionary statements: P203, P264, P264+P265, P270, P280, P301+P317, P302+P352, P305+P351+P338, P318, P321, P330, P332+P317, P337+P317, P362+P364, P405, and P501 (click each P-code to see the statement)

Request the SDS (Safety Data Sheet) for full hazard and safety documentation.

Storage & Handling

Storage: Keep the container tightly closed in a cool, dry and well-ventilated place. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.

Quotation & Packaging

Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.

Quality & Compliance

Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.