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1,3,3-Trimethyl-2-(formylmethylene)indoline

1,3,3-Trimethyl-2-(formylmethylene)indoline structure

CAS No.: 84-83-3

Chemical Name:: 1,3,3-Trimethyl-2-(formylmethylene)indoline

Synonyms: Fischer aldehyde;FISCHER'S ALDEHYDE;in-2-yL;NSC 68048;Zinc00225702;tribasenaldehyde;Fisher's aldehyde;2-(1,3,3-TrimethyL;fischer’s aldehyde;TIMTEC-BB SBB010084

CBNumber:: CB2416540

Molecular Formula:: C13H15NO

Molecular Weight:: 201.26

MDL Number:: MFCD00071813

MOL File:: 84-83-3.mol

MSDS File:: SDS

Last updated:2026-06-12 16:21:36

Product description	Number	Pack Size	Price
2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde 97%	550817	25g	$230
2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde min. 98.0 %	T2235	5G	$28
2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde min. 98.0 %	T2235	25G	$84
2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde Asreported	290699	100g	$601
2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde Asreported	290699	250g	$902
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1,3,3-Trimethyl-2-(formylmethylene)indoline Properties

Melting point	112-116 °C (lit.)
Boiling point	339.19°C (rough estimate)
Density	1.0405 (rough estimate)
refractive index	1.5300 (estimate)
storage temp.	2-8°C
pka	0.82±0.40(Predicted)
Appearance	Brown to red Solid
InChI	InChI=1S/C13H15NO/c1-13(2)10-6-4-5-7-11(10)14(3)12(13)8-9-15/h4-9H,1-3H3
InChIKey	GCECACVNILMTRD-UHFFFAOYSA-N
SMILES	C(=O)C=C1C(C)(C)C2=C(N1C)C=CC=C2
CAS DataBase Reference	84-83-3(CAS DataBase Reference)
EPA Substance Registry System	Acetaldehyde, (1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)- (84-83-3)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs	Respiratory system
PPE	dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3
RTECS	AB2812500
TSCA	TSCA listed
Storage Class	11 - Combustible Solids
Hazard Classifications	Eye Irrit. 2 Skin Irrit. 2 STOT SE 3

1,3,3-Trimethyl-2-(formylmethylene)indoline price More Price(53)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	550817	2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde 97%	84-83-3	25g	$230	2026-04-30	Buy
TCI Chemical	T2235	2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde min. 98.0 %	84-83-3	5G	$28	2026-04-30	Buy
TCI Chemical	T2235	2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde min. 98.0 %	84-83-3	25G	$84	2026-04-30	Buy
Usbiological	290699	2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde Asreported	84-83-3	100g	$601	2026-06-03	Buy
Usbiological	290699	2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde Asreported	84-83-3	250g	$902	2026-06-03	Buy

Product number	Packaging	Price	Buy
550817	25g	$230	Buy
T2235	5G	$28	Buy
T2235	25G	$84	Buy
290699	100g	$601	Buy
290699	250g	$902	Buy

1,3,3-Trimethyl-2-(formylmethylene)indoline Chemical Properties,Uses,Production

Uses

Reactant for preparation of:• ;Cyanine dyes1• ;Photopolymer holographic recording materials2

Uses

2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde may be used in the preparation of 1,3,3-trimethyl-2-anilino-vinyl-3-H-indolium salts, which are mainly used as hemicyanine dyes in textile industry.

Definition

ChEBI: 1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene acetaldehyde is a member of indoles.

General Description

2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde is an a,-unsaturated aldehyde.

1,3,3-Trimethyl-2-(formylmethylene)indoline Preparation Products And Raw materials

Raw materials

Preparation Products

BASIC YELLOW 21 Basic Yellow 51 C.I.Basic Yellow 12 BASIC YELLOW 11 BASIC YELLOW 13

BASIC ORANGE 21 BASIC RED 12 Catonic Yellow X-8GL

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1,3,3-Trimethyl-2-(formylmethylene)indoline Suppliers

Global( 170)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Junwee Chemical co., Ltd.	+86-571-85808636 +86-13958122542	sales@junweechem.com	China	823	58
airuikechemical co., ltd.	+86-18353166132	sales02@airuikechemical.com	China	983	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21531	55
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29766	58
Shandong chuangyingchemical Co., Ltd.	18853181302	sale@chuangyingchem.com	CHINA	5898	58
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19935	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63645	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34526	58
ANHUI WITOP BIOTECH CO., LTD	+8618071025641	eric@witopchemical.com	China	23506	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 17705817739	info@dycnchem.com	China	52693	58

Supplier	Advantage
Junwee Chemical co., Ltd.	58
airuikechemical co., ltd.	58
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
Shandong chuangyingchemical Co., Ltd.	58
BOC Sciences	58
Alchem Pharmtech,Inc.	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Dayang Chem (Hangzhou) Co.,Ltd.	58

View Lastest Price from 1,3,3-Trimethyl-2-(formylmethylene)indoline manufacturers

Update time	Product	Min. Order	Purity	Supply Ability	Manufacturer
2026-06-30	1,3,3-Trimethyl-2-(formylmethylene)indoline 84-83-3	1kg	98%	1000	Shaanxi Dideu New Materials Co. Ltd
2025-04-04	1,3,3-Trimethyl-2-(formylmethylene)indoline 84-83-3	1kg	98%	1Ton	Henan Aochuang Chemical Co.,Ltd.
2024-12-24	fischer’s aldehyde 84-83-3	1Kg	99.9%	200tons	airuikechemical co., ltd.

1,3,3-Trimethyl-2-(formylmethylene)indoline
84-83-3
98%
Shaanxi Dideu New Materials Co. Ltd

1,3,3-Trimethyl-2-(formylmethylene)indoline
84-83-3
98%
Henan Aochuang Chemical Co.,Ltd.

fischer’s aldehyde
84-83-3
99.9%
airuikechemical co., ltd.

1,3,3-Trimethyl-2-(formylmethylene)indoline Spectrum

1,3,3-Trimethyl-2-(formylmethylene)indoline(84-83-3)¹HNMR

84-83-3(1,3,3-Trimethyl-2-(formylmethylene)indoline)Related Search:

Acetaldehyde Dihydromyrcenol Indoline 1,3,3-Trimethyl-2-methyleneindoline 1-CHLORO-3-(1,3,3-TRIMETHYL-1,3-DIHYDRO-INDOL-2-YLIDENE)-PROPAN-2-ONE

1,3,3-Trimethyl-2-(formylmethylene)indoline (3E)-1-HYDROXY-3-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)ACETONE AURORA KA-4873 2-[2-OXO-3-(1,3,3-TRIMETHYL-1,3-DIHYDRO-INDOL-2-YLIDENE)-PROPYLSULFANYL]-BENZOIC ACID AURORA KA-3489

(3E)-1-[5-(CHLOROMETHYL)-1,2,4-OXADIAZOL-3-YL]-3-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)ACETONE AURORA KA-4742 AURORA KA-4871 AURORA KA-4744 5-CHLORO-1-(1,3,3-TRIMETHYL-1,3-DIHYDRO-INDOL-2-YLIDENE)-PENTAN-2-ONE

RARECHEM AL BI 0722 AURORA KA-4740 (1E,3E)-4-[4-(DIMETHYLAMINO)PHENYL]-1-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)BUT-3-EN-2-ONE

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2-(Formylmethylene)-1,3,3-trimethylindoline 2-METHYLENE-1,3,3-TRIMETHYLINDOLINE ACETALDEHYDE 2-(1,3,3-TRIMETHYLINDOLIN-2-YLIDENE)ACETALDEHYDE 1,3,3-trimethyl-2-(formylmethylene)indoline (1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)ACETALDEHYDE (1,3,3-TRIMETHYL-1,3-DIHYDRO-INDOL-2-YLIDENE)-ACETALDEHYDE 1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene acetaldehyde (1,3-dihydro-1,3,3-trimethyl-2h-indol-2-ylidene)-acetaldehyd acetaldehyde,(1,3-dihydro-1,3,3-trimethyl-2h-indol-2-ylidene) alpha)-indolinacetaldehyde,1,3,3-trimethyl-delta(sup alpha)-indolineacetaldehyde,1,3,3-trimethyl-delta(sup tribasenaldehyde TIMTEC-BB SBB010084 2-(1,3,3-trimethylindolin-2-yl)acetaldehyde 2-(1,3,3-TrimethyL in-2-yL [1,3,3-Trimethylindolin-2-ylidene] acetaldehyde [1,3-Dihydro-1,3,3-trimethyl-[2H]-indol-ylidene] acetaldehyde 1,3,3-Trimethyl-Δ²,α-indolineacetaldehyde 2-[Formylmethylene]-2,3-dihydro-1,3,3-trimethylindole 1,3,3-TRIMETHYL-2-METHYLENEINODOLINOALDEHYDE FISCHER'S BASE ALDEHYDE 2-(1,3,3-TRIMETHYLINDOLIN-2-YLIDENE)ACETALDEHYDE / FISCHER''S ALDEHYDE (1,3,3-Trimethyl-2,3-dihydro-1H-indole-2-ylidene)acetaldehyde 2-(2,3-Dihydro-1,3,3-trimethyl-1H-indole-2-ylidene)acetaldehyde Fisher's aldehyde Zinc00225702 1,3,3-Trimethyl-2-(formylmethylene)-2,3-dihydroindole 1,3,3-Trimethyl-Δ2,α-indolineacetaldehyde NSC 68048 2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde 97% (2E)-(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)- 1,3,3-Trimethyl-2-(formylmethylene)indoline CAS 84-83-3 High quality fischer’s aldehyde FISCHER'S ALDEHYDE Fischer aldehyde 84-83-3 Indoles Heterocyclic Building Blocks Building Blocks Heterocycle-Indole series Building Blocks Heterocyclic Building Blocks Indoles Aldehydes Building Blocks C13 to C27 C13-C60 Carbonyl Compounds Chemical Synthesis Heterocyclic Building Blocks Organic Building Blocks Intermediates of Dyes and Pigments john's