Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Spiro[2H-1-benzopyran-2,2'-[2H]indole],1',3'-dihydro-1',3',3'-trimethyl-6-nitro-
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Spiro[2H-1-benzopyran-2,2'-[2H]indole],1',3'-dihydro-1',3',3'-trimethyl-6-nitro-
Price: ￥748.0/1g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Spiro[2H-1-benzopyran-2,2'-[2H]indole],1',3'-dihydro-1',3',3'-trimethyl-6-nitro-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1498-88-0

1498-88-0 structure

1498-88-0 structure

Name: Spiro[2H-1-benzopyran-2,2'-[2H]indole],1',3'-dihydro-1',3',3'-trimethyl-6-nitro-
Chemical Name: 1,3,3-trimethylindolino-6'-nitrobenzopyrylospiran
CAS Number: 1498-88-0
Molecular Formula: C₁₉H₁₈N₂O₃
Molecular Weight: 322.35800
Create Date: 2018-12-18 10:29:40
Modify Date: 2025-08-25 18:43:57

Name	1,3,3-trimethylindolino-6'-nitrobenzopyrylospiran
Synonyms	EINECS 216-102-5 1',3',3'-Trimethyl-6-nitrospiro[1(2H)-benzopyran-2,2'-indoline] 1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran [Photochromic Compound] MFCD00059175 1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indole]

Density	1.31g/cm3
Boiling Point	476.3ºC at 760mmHg
Melting Point	32ºC
Molecular Formula	C₁₉H₁₈N₂O₃
Molecular Weight	322.35800
Flash Point	241.9ºC
Exact Mass	322.13200
PSA	58.29000
LogP	4.71250
Vapour Pressure	3.08E-09mmHg at 25°C
Index of Refraction	1.67

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WG9870000

CHEMICAL NAME :: Spiro(2H-1-benzopyran-2,2'-indoline), 6-nitro-1',3',3'-trimethyl-

CAS REGISTRY NUMBER :: 1498-88-0

BEILSTEIN REFERENCE NO. :: 0040498

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C19-H18-N2-O3

MOLECULAR WEIGHT :: 322.39

WISWESSER LINE NOTATION :: T66 BOXJ HNW C-& CT56 BNX DHJ B1 D1 D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#07770

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	26-37/39
RIDADR	NONH for all modes of transport
RTECS	WG9870000
HS Code	2934999090

Precursor 7
118-12-7 97-51-8 5418-63-3 78844-69-6
78844-68-5 1640-39-7 78844-67-4
DownStream 2
97-51-8 1498-88-0

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

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