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  6. Thermo Scientific Chemicals alpha-Naphtholphthalein, pure, indicator

Thermo Scientific Chemicals alpha-Naphtholphthalein, pure, indicator

Numéro de catalogue. AC190120010
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25 g
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Glass bottle
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Numéro de catalogue. Quantity Packaging
AC190120010 1 g Glass bottle
AC190120050 5 g Glass bottle
AC190120250 25 g Glass bottle
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Numéro de catalogue. AC190120010 Fournisseur Thermo Scientific Chemicals Code fournisseur 190120010
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Description

CAS: 596-01-0 | C28H18O4 | 418.448 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Indicator

Identifiants chimiques

CAS 596-01-0
Molecular Formula C28H18O4
Molecular Weight (g/mol) 418.448
MDL Number MFCD00036202
InChI Key HQHBAGKIEAOSNM-UHFFFAOYSA-N
PubChem CID 68993
IUPAC Name 3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one
SMILES C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O

Spécifications

Absorbance 550 min. (at lamda max)
Melting Point 240.0°C to 250.0°C
Beilstein 18, I, 384
Merck Index 15, 6474
Infrared Spectrum Authentic
Lambda Max 648 to 654nm (in 0.1N NaOH)
Formula Weight 418.45
Loss on Drying 5% max. (110°C, 1 hr.)
Grade Pure
Packaging Glass bottle
Visual Transition Interval from pH 7.3 (pinkish-yellow) to pH 8.7 (greenish--blue)
Color Beige to Pink or Brown
Quantity 1 g
Physical Form Powder
Chemical Name or Material α-Naphtholphthalein
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Sécurité et manipulation

EINECSNumber 209-875-5
TSCA TSCA

RUO – Research Use Only