Rubber Antioxidant RD

Description

poly(1,2-dihydro-2,2,4-trimethyl-quinoline) · CAS 26780-96-1 · C12H15N. UNII 0553M374Q3. Boiling Point: 491 to 500 °F at 743 mmHg (NTP, 1992); Melting Point: 79 to 81 °F (NTP, 1992); Melting Point: 120 °C.

Identification

CAS Registry Number	26780-96-1
PubChem CID	8981
Molecular formula	C12H15N
IUPAC name	2,2,4-trimethyl-1H-quinoline
UNII (FDA)	0553M374Q3

Computed Descriptors

Molecular Weight	173.25
XLogP3	2.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	173.120449483
Monoisotopic Mass	173.120449483
Topological Polar Surface Area	12
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Boiling Point	491 to 500 °F at 743 mmHg (NTP, 1992)
Melting Point	79 to 81 °F (NTP, 1992)
Melting Point	120 °C
Flash Point	214 °F (NTP, 1992)
Flash Point	101 °C
Density	1.08 @ 25 °C

Physical description & handling notes

• 1,2-dihydro-2,2,4-trimethylquinoline appears as dark cloudy copper-colored or yellow liquid. Odorless. (NTP, 1992)
• Light tan powder; mp = 120 deg C; [HSDB] Dark cloudy copper-colored or yellow liquid; mp = 26-27 deg C; [CAMEO] Amber or brown granules; mp = 80-100 deg C; [Redox MSDS]
• LIGHT TAN POWDER
• less than 0.1 mg/mL at 66 °F (NTP, 1992)
• 1.03 at 77 °F (NTP, 1992) - Denser than water; will sink
• DISASTER HAZARD: SEE QUINOLINE. DANGEROUS; WHEN HEATED TO DECOMPOSITION IT EMITS TOXIC FUMES OF /NITROGEN OXIDES/. /QUINOLINE/

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS 1,2-DIHYDRO-2,2,4-TRIMETHYLQUINOLINE--PROHIBITED
GHS notification summary	13.2% (14 / 106)

GHS Hazard Classification

GHS notification summary	13.2% (14 / 106)
Reported hazard statements	H302 (86.8%), H411 (49.1%)

Documented Uses

• Used as a monomer; The polymer is a rubber antioxidant; [HSDB]
• MONOMER POLYMERIZED FOR USE AS A RUBBER ANTIOXIDANT
• REACTION OF QUINOLINE AND ACETONE
• 100% POLYMERIZED FOR USE AS A RUBBER ANTIOXIDANT (1976)
• (1975) GREATER THAN 9.08X10+5 GRAMS
• Quinoline, 1,2-dihydro-2,2,4-trimethyl-: ACTIVE

Synonyms

2,2,4-Trimethyl-1,2-dihydroquinoline; 147-47-7; 1,2-DIHYDRO-2,2,4-TRIMETHYLQUINOLINE; Flectol H; 2,2,4-trimethyl-1H-quinoline; Quinoline, 1,2-dihydro-2,2,4-trimethyl-; Flectol pastilles; Flectol A; Polnox R; Vulkanox HS/LG; Vulkanox HS/powder; NCI-C60902; Acetone anil (quinoline derivative); Trimethyl dihydroquinoline; Trimethyl-1,2-dihydroquinoline; 2,2,4-Trimethyl-1,2-dihydroquinone

Frequently Asked Questions

What are the CAS number and molecular formula of poly(1,2-dihydro-2,2,4-trimethyl-quinoline)?

CAS 26780-96-1; molecular formula C12H15N; molecular weight — g/mol.

What other names is poly(1,2-dihydro-2,2,4-trimethyl-quinoline) known by?

2,2,4-Trimethyl-1,2-dihydroquinoline, 147-47-7, 1,2-DIHYDRO-2,2,4-TRIMETHYLQUINOLINE, Flectol H, 2,2,4-trimethyl-1H-quinoline, Quinoline, 1,2-dihydro-2,2,4-trimethyl-.

What is the regulatory status of poly(1,2-dihydro-2,2,4-trimethyl-quinoline)?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; 1,2-DIHYDRO-2,2,4-TRIMETHYLQUINOLINE--PROHIBITED.

Is poly(1,2-dihydro-2,2,4-trimethyl-quinoline) classified as hazardous?

13.2% of GHS notifications report no hazard classification (14 of 106).

What are the key physical properties of poly(1,2-dihydro-2,2,4-trimethyl-quinoline)?

Boiling Point: 491 to 500 °F at 743 mmHg (NTP, 1992); Melting Point: 79 to 81 °F (NTP, 1992); Melting Point: 120 °C; Flash Point: 214 °F (NTP, 1992).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.