Skip to main content

N,N,N',N'-Tetramethyl-1,4-phenylenediamine

Also known as: N,N,N',N'-Tetramethyl-p-phenylenediamine, 1,4-bis(dimethylamino)benzene, N,N,N',N'-Tetramethyl-1,4-benzenediamine, TMPD, Wurster's blue

N,N,N',N'-Tetramethyl-1,4-phenylenediamine (CAS 100-22-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C10H16N2 and a molecular weight of 164.25 g/mol. Key properties include a melting point of 49-51 °C(lit.), a boiling point of 260.6±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 104.9±7.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
100-22-1
Jingsj CID
J-24456-4
Molecular Formula
C10H16N2
Molecular Weight
164.25 g/mol
Category
Organic Bases
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point49-51 °C(lit.)
Boiling Point260.6±13.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point104.9±7.7 °C
Exact Mass164.131348
PSA6.48000
LogP2.08
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.578
StabilityStable, but may be air or light sensitive. Combustible. Incompatible with acids, acid chlorides, acid anhydrides, oxidizing agents.
Additional Propertyslightly in cold, more in hot water

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled

Activity & Biological Data

Additional Information[1]. Zhou S, Yao Y, et al. A cytochrome c-enhanced peroxidation reaction with potential use in screening dietary antioxidants. J Pharm Biomed Anal. 2004 Mar 10;34(5):1057-61. [2]. Sarti P, et al. Permeability of rat heart myocytes to cytochrome c. Cell Mol Life Sci. 1999 Dec;56(11-12):1061-9.

Customs & Trade Information

HS Code2921519090
Summary2921519090. o-, m-, p-phenylenediamine, diaminotoluenes, and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:17.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of N,N,N',N'-Tetramethyl-1,4-phenylenediamine?

The CAS number of N,N,N',N'-Tetramethyl-1,4-phenylenediamine is 100-22-1.

What are the molecular formula and molecular weight of N,N,N',N'-Tetramethyl-1,4-phenylenediamine?

N,N,N',N'-Tetramethyl-1,4-phenylenediamine has molecular formula C10H16N2 and molecular weight 164.25 g/mol.

Is N,N,N',N'-Tetramethyl-1,4-phenylenediamine hazardous?

N,N,N',N'-Tetramethyl-1,4-phenylenediamine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of N,N,N',N'-Tetramethyl-1,4-phenylenediamine?

For N,N,N',N'-Tetramethyl-1,4-phenylenediamine, Upstream Products: 1,4-Dinitrobenzene, Formaldehyde, p-Phenylenediamine; Downstream Products: N,N,N',N'-Tetramethyl-1,4-phenylenediamine, N,N-Dimethyl-1,4-benzenediamine, Triphenylbismuth.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "N,N,N',N'-Tetramethyl-1,4-phenylenediamine (CAS 100-22-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24456-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.