NEOPRENE

CAS 12261-94-8C3H6N2SMW 102.16

NEOPRENE (CAS 12261-94-8) — formula C3H6N2S, molecular weight 102.16.

Product Overview

CAS Number	12261-94-8
Molecular Formula	C3H6N2S
Molecular Weight	102.16
Melting Point	397 to 399 °F (NTP, 1992)
Boiling Point	446 to 595 °F at 760 mmHg (NIOSH, 2024)
LogP	-0.7

Technical Profile

What this product is

NEOPRENE is a chemical compound with CAS registry number 12261-94-8 and molecular formula C3H6N2S (molecular weight 102.16).

Identification

CAS number: 12261-94-8

Its molecular formula C3H6N2S comprises 3 C, 6 H, 2 N, 1 S atoms.

Also known as: NEOPRENE · 2-巯基咪唑啉 · 2-Mercapto imidazoline

Frequently Asked Questions

What is the CAS number of NEOPRENE?

The CAS registry number of NEOPRENE is 12261-94-8.

What is the molecular formula and molecular weight of NEOPRENE?

Molecular formula C3H6N2S, molecular weight 102.16.

What other names is NEOPRENE known by?

It is also registered under: NEOPRENE, 2-巯基咪唑啉, 2-Mercapto imidazoline.

PubChem Public Data

Independent reference data for NEOPRENE (CAS 12261-94-8), compiled from public chemistry databases.

Registry identifiers across databases

CAS 号	12261-94-8
PubChem CID	2723650
分子式	C3H6N2S
IUPAC 名称	imidazolidine-2-thione
UNII（FDA）	24FOJ4N18S

Computed descriptors

Molecular Weight	102.16
XLogP3	-0.7
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	102.02516937
Monoisotopic Mass	102.02516937
Topological Polar Surface Area	56.2
Heavy Atom Count	6

Physicochemical values on record

Boiling Point	446 to 595 °F at 760 mmHg (NIOSH, 2024)
Boiling Point	446-595 °F
Melting Point	397 to 399 °F (NTP, 1992)
Melting Point	203 °C
Melting Point	194 °C
Melting Point	392 °F
Flash Point	486 °F (NTP, 1992)
Flash Point	486 °F
Flash Point	252 °C
Solubility	1 to 5 mg/mL at 64 °F (NTP, 1992)

Synonyms and trade names

imidazolidine-2-thione; 96-45-7; ETHYLENE THIOUREA; Ethylenethiourea; 2-Imidazolidinethione; 2-Mercaptoimidazoline; Imidazolidinethione; Soxinol 22; Mercazin I; Warecure C; Rhenogran ETU; Pennac CRA; N,N'-Ethylenethiourea; Sanceller 22; Vulkacit NPV/C; Nocceler 22

Regulatory listings held on file

法规与食品接触	FDA 21 CFR 中列出的食品接触物质清单：FCS MERCAPTOIMIDAZOLINE--PROHIBITED

GHS hazard classification

已通报的危害声明	H302, H312 (10.9%), H351 (51%), H360 (52.9%), H372 (51.3%), H412 (16.5%), H317, H402

What the public record says

2-巯基咪唑啉 · CAS 12261-94-8 · C3H6N2S. UNII 24FOJ4N18S. Boiling Point: 446 to 595 °F at 760 mmHg (NIOSH, 2024); Boiling Point: 446-595 °F; Melting Point: 397 to 399 °F (NTP, 1992).

Source: PubChem / Wikidata; the batch COA governs where values differ.