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Safety Information

M46209

Sigma-Aldrich

1,3,3-Trimethyl-2-methyleneindoline

97%

Synonym(s):

2-Methylene-1,3,3-trimethylindoline, Fischer base, NSC 66176

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About This Item

Empirical Formula (Hill Notation):
C12H15N
CAS Number:
118-12-7
Molecular Weight:
173.25
Beilstein:
131162
EC Number:
204-235-1
MDL number:
MFCD00005813
UNSPSC Code:
12352100
PubChem Substance ID:
24896929
NACRES:
NA.22

Assay

97%

form

liquid

refractive index

n20/D 1.577 (lit.)

bp

248 °C (lit.)

density

0.979 g/mL at 25 °C (lit.)

SMILES string

CN1C(=C)C(C)(C)c2ccccc12

InChI

1S/C12H15N/c1-9-12(2,3)10-7-5-6-8-11(10)13(9)4/h5-8H,1H2,2-4H3

InChI key

ZTUKGBOUHWYFGC-UHFFFAOYSA-N

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Application

Reactant for:
  • Cycloaddition reactions
  • Preparation of red photochromic dyes
  • Synthesis of photochromic homopolymers via ring-opening metathesis polymerization

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H302,H400

Precautionary Statements

P273 - P301 + P312 + P330

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

145.4 °F - closed cup

Flash Point(C)

63 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

M46209-5G:
M46209-BULK:
M46209-100G:
M46209-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG8781
BCBW6712
BCBW5320
BCBW3800
BCBV4682

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Keum, S., et al.
Dyes and Pigments, 86, 74-74 (2010)
Ishmetova, R., I.; et al.
Heterocycles, 83, 1363-1363 (2011)
York, M.; Evans, R., A.
Tetrahedron Letters, 51, 2195-2195 (2010)
Maryam Raeesi et al.
Journal of colloid and interface science, 578, 379-389 (2020-06-15)
One of the biggest challenges in the field of photoresponsive spirooxazines is their fast reverse isomerization. Polar phase change materials beside spirooxazines not only stabilize their colored-form, but also induce thermo-regulating properties to the whole system. Moreover, encapsulation is a

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