DL-Dithiothreitol
Also known as: DTT, Cleland's Reagent, threo-1,4-Dimercapto-2,3-butanediol, 1,4-Dithiothreitol, DL-1,4-Dithiothreitol, rel-(2R,3R)-1,4-Dimercapto-2,3-butanediol, threo-2,3-Dihydroxy-1,4-butanedithiol
DL-Dithiothreitol (CAS 3483-12-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H10O2S2 and a molecular weight of 154.251 g/mol. Key properties include a melting point of 38-43ºC, a boiling point of 364.5±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 174.2±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 1 supplier, from 18.50 to 24.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 3483-12-3
- Jingsj CID
- J-23031-9
- Molecular Formula
- C4H10O2S2
- Molecular Weight
- 154.251 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 99% 100g | ¥1,850.00 | $2.77 /gBest ¥18.50/g CNY | CN China MOQ 100g | |
In Stock | 99% 25g | ¥560.00 | $3.35 /g ¥22.40/g CNY | CN China MOQ 25g | |
In Stock | 99% 5g | ¥120.00 | $3.59 /g ¥24.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 38-43ºC |
|---|---|
| Boiling Point | 364.5±42.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 174.2±27.9 °C |
| Exact Mass | 154.012222 |
| PSA | 118.06000 |
| LogP | 0.07 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.579 |
| Additional Property | H2O: 50 mg/mL, clear, colorless | freely soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Dithiothreitol, From Wikipedia |
|---|
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of DL-Dithiothreitol?
The CAS number of DL-Dithiothreitol is 3483-12-3.
What are the molecular formula and molecular weight of DL-Dithiothreitol?
DL-Dithiothreitol has molecular formula C4H10O2S2 and molecular weight 154.251 g/mol.
Which suppliers offer DL-Dithiothreitol?
1 supplier(s) listed; reference unit price ¥18.50–24.00 /g.
Is DL-Dithiothreitol hazardous?
DL-Dithiothreitol has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of DL-Dithiothreitol?
For DL-Dithiothreitol, Downstream Products: L-Ascorbic acid, Lumichrome, Diphenyl disulfide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "DL-Dithiothreitol (CAS 3483-12-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23031-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.