1',3',3'-Trimethylspiro[chromene-2,2'-indolin]-6-ol

Also known as: Spiro[2H-1-benzopyran-2,2'-[2H]indol]-6-ol, 1',3'-dihydro-1',3',3'-trimethyl-, 1',3',3'-Trimethyl-6-hydroxyspiro(2H-1-benzopyran-2,2'-indoline), 1',3',3'-Trimethylspiro[2H-1-benzopyran-2,2'-[1H]-indole]-6-ol, 1',3',3'-trimethylspiro[chromene-2,2'-indole]-6-ol, 1',3'-Dihydro-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-[2H]indol]-6-ol, 1,3,3-Trimethyl-6'-hydroxyspiro[indoline-2,2'-[2H][1]benzopyran], 1,3,3-Trimethylspiro[1H-indole-2(3H),2'-[2H-1]benzopyran]-6'-ol, 6-hydroxy spiropyran

1',3',3'-Trimethylspiro[chromene-2,2'-indolin]-6-ol (CAS 23001-29-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H19NO2 and a molecular weight of 293.36000 g/mol. Key properties include a boiling point of 469.6ºC at 760mmHg, a density of 1.27g/cm3 and a flash point of 237.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 23001-29-8
Jingsj CID: J-925354-7
Molecular Formula: C₁₉H₁₉NO₂
Molecular Weight: 293.36000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	469.6ºC at 760mmHg
Density	1.27g/cm3
Flash Point	237.8ºC
Exact Mass	293.14200
PSA	32.70000
LogP	3.98670
Appearance	Powder \| Light brown to purple
Vapor Pressure	1.92E-09mmHg at 25°C
Refractive Index	1.678

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1',3',3'-Trimethylspiro[chromene-2,2'-indolin]-6-ol?

The CAS number of 1',3',3'-Trimethylspiro[chromene-2,2'-indolin]-6-ol is 23001-29-8.

What are the molecular formula and molecular weight of 1',3',3'-Trimethylspiro[chromene-2,2'-indolin]-6-ol?

1',3',3'-Trimethylspiro[chromene-2,2'-indolin]-6-ol has molecular formula C19H19NO2 and molecular weight 293.36000 g/mol.

What are the upstream and downstream products of 1',3',3'-Trimethylspiro[chromene-2,2'-indolin]-6-ol?

For 1',3',3'-Trimethylspiro[chromene-2,2'-indolin]-6-ol, Upstream Products: 1,3,3-Trimethyl-2-methyleneindoline, 2,5-Dihydroxybenzaldehyde; Downstream Products: 2,5-Dihydroxybenzaldehyde, 5-(Benzyloxy)-2-hydroxybenzaldehyde.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1',3',3'-Trimethylspiro[chromene-2,2'-indolin]-6-ol (CAS 23001-29-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-925354-7 (accessed 2026-11-09).

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