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α-Naphtholphthalein, pure, indicator, ACROS Organics™

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Quantity:
1g
5g
25g
Packaging:
Glass bottle
596-01-0
C28H18O4
418.448
MFCD00036202
HQHBAGKIEAOSNM-UHFFFAOYSA-N
68993
3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one
C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O
596-01-0
C28H18O4
418.448
MFCD00036202
HQHBAGKIEAOSNM-UHFFFAOYSA-N
68993
3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one
C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O
Indicator
Beilstein 18, I, 384
Merck Index 15, 6474
Infrared Spectrum Authentic
Lambda Max 648 to 654nm (in 0.1N NaOH)
Loss on Drying 5% max. (110°C, 1 hr.)
Formula Weight 418.45
Physical Form Powder
Grade Pure
Packaging Glass bottle
Specific Absorbance 550 min. (at lamda max)
Visual Transition Interval from pH 7.3 (pinkish-yellow) to pH 8.7 (greenish--blue)
Melting Point 240.0°C to 250.0°C
Color Beige to Pink or Brown
Quantity 25g
Chemical Name or Material α-Naphtholphthalein
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EINECSNumber : 209-875-5

TSCA : TSCA