Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,3,3-Trimethyl-2-(formylmethylene)indoline
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1,3,3-Trimethyl-2-(formylmethylene)indoline
Price: ￥1288.0/25g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,3,3-Trimethyl-2-(formylmethylene)indoline
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 1,3,3-Trimethyl-2-(formylmethylene)indoline
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

84-83-3

84-83-3 structure

84-83-3 structure

Name: 1,3,3-Trimethyl-2-(formylmethylene)indoline
Chemical Name: 2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde
CAS Number: 84-83-3
Molecular Formula: C₁₃H₁₅NO
Molecular Weight: 201.264
Create Date: 2018-07-03 18:38:19
Modify Date: 2025-08-26 18:49:42

Name	2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde
Synonyms	1,3,3-Trimethyl-2-(formylmethylene)indoline MFCD00071813 Acetaldehyde, 2-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-, (2Z)- (2Z)-(1,3,3-Trimethyl-1,3-dihydro-2H-indol-2-ylidene)acetaldehyde Acetaldehyde, 2-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-, (2E)- Fischer's Aldehyde EINECS 201-565-8 (2E)-(1,3,3-Trimethyl-1,3-dihydro-2H-indol-2-ylidene)acetaldehyde (2E)-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethanal

Density	1.1±0.1 g/cm3
Boiling Point	301.4±42.0 °C at 760 mmHg
Melting Point	112-116 °C(lit.)
Molecular Formula	C₁₃H₁₅NO
Molecular Weight	201.264
Flash Point	107.2±17.3 °C
Exact Mass	201.115356
PSA	20.31000
LogP	2.67
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.600
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AB2812500

CHEMICAL NAME :: Acetaldehyde, (1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-

CAS REGISTRY NUMBER :: 84-83-3

LAST UPDATED :: 199710

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C13-H15-N-O

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >215 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - chronic pulmonary edema Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0535466

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	AB2812500
HS Code	2933990090

118-12-7 structure

118-12-7

93-61-8 structure

93-61-8

~%

84-83-3 structure

84-83-3

Literature: US2126852 , ; DE615130 , ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 22, p. 336

1592-43-4 structure

1592-43-4

~%

20200-86-6 structure

20200-86-6

84-83-3 structure

84-83-3

Literature: Tetrahedron Letters, , vol. 37, # 29 p. 5127 - 5130

118-12-7 structure

118-12-7

68-12-2 structure

68-12-2

~%

84-83-3 structure

84-83-3

Literature: Chemische Berichte, , vol. 92, p. 1809,1810

Precursor 4
118-12-7 93-61-8 68-12-2 1592-43-4
DownStream 4
106421-82-3 6320-14-5 118-12-7 62783-93-1

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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