4,4'-Dimethoxytrityl chloride
Also known as: DMT-Cl, 4,4'-Dimethoxytriphenylmethyl chloride, 4,4-Dimethoxytrityl chloride, 1,1'-(Chlorophenylmethylene)bis(4-methoxybenzene), 1,1'-[Chloro(phenyl)methylene]bis(4-methoxybenzene), Chlorobis(4-methoxyphenyl)phenylmethane, Bis(4-methoxyphenyl)phenylmethyl chloride, Chloro-4,4'-dimethoxytriphenylmethane, 4,4'-(Chloro(phenyl)methylene)bis(methoxybenzene), MFCD00008409
4,4'-Dimethoxytrityl chloride (CAS 40615-36-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H19ClO2 and a molecular weight of 338.827 g/mol. Key properties include a melting point of 123-125 °C, a boiling point of 463.1±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 155.6±23.9 °C. It is listed by 1 supplier, from 5.14 to 23.60 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 40615-36-9
- Jingsj CID
- J-4193-7
- Molecular Formula
- C21H19ClO2
- Molecular Weight
- 338.827 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500g | ¥2,570.00 | $0.77 /gBest ¥5.14/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥696.00 | $1.04 /g ¥6.96/g CNY | CN China MOQ 100g | |
In Stock | 98% 25g | ¥206.00 | $1.23 /g ¥8.24/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 123-125 °C |
|---|---|
| Boiling Point | 463.1±45.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 155.6±23.9 °C |
| Exact Mass | 338.107361 |
| PSA | 18.46000 |
| LogP | 5.40 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.584 |
Customs & Trade Information
| HS Code | 2909309090 |
|---|---|
| Summary | 2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4,4'-Dimethoxytrityl chloride?
The CAS number of 4,4'-Dimethoxytrityl chloride is 40615-36-9.
What are the molecular formula and molecular weight of 4,4'-Dimethoxytrityl chloride?
4,4'-Dimethoxytrityl chloride has molecular formula C21H19ClO2 and molecular weight 338.827 g/mol.
Which suppliers offer 4,4'-Dimethoxytrityl chloride?
1 supplier(s) listed; reference unit price ¥5.14–23.60 /g.
What are the upstream and downstream products of 4,4'-Dimethoxytrityl chloride?
For 4,4'-Dimethoxytrityl chloride, Upstream Products: 4,4'-dimethoxytrityl alcohol, 4-Methoxybenzophenone, 4-Bromoanisole; Downstream Products: 1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-fluoro-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione, 5'-O-(4,4'-Dimethoxytrityl)thymidine, 5-O-(Dimethoxytrityl)-1,2-dideoxy-D-ribose.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-Dimethoxytrityl chloride (CAS 40615-36-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4193-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.