o-cresolphthalein

Modify Date: 2025-08-20 16:29:53

o-cresolphthalein structure	Common Name	o-cresolphthalein
	CAS Number	596-27-0	Molecular Weight	346.376
	Density	1.3±0.1 g/cm3	Boiling Point	555.0±50.0 °C at 760 mmHg
	Molecular Formula	C₂₂H₁₈O₄	Melting Point	223-225 °C
	MSDS	Chinese USA	Flash Point	198.8±23.6 °C

Name	o-Cresolphthalein
Synonym	More Synonyms

Density	1.3±0.1 g/cm3
Boiling Point	555.0±50.0 °C at 760 mmHg
Melting Point	223-225 °C
Molecular Formula	C₂₂H₁₈O₄
Molecular Weight	346.376
Flash Point	198.8±23.6 °C
Exact Mass	346.120514
PSA	66.76000
LogP	3.55
Vapour Pressure	0.0±1.6 mmHg at 25°C
Index of Refraction	1.668
Water Solubility	slightly soluble

o-cresolphthalein MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SM8390000

CHEMICAL NAME :: Phenolphthalein, 3',3''-dimethyl-

CAS REGISTRY NUMBER :: 596-27-0

BEILSTEIN REFERENCE NO. :: 0310554

LAST UPDATED :: 199709

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C22-H18-O4

MOLECULAR WEIGHT :: 346.40

WISWESSER LINE NOTATION :: T56 BVO DHJ DR DQ C1& DR DQ C1

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 :: 320 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#02167 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1081 No. of Facilities: 127 (estimated) No. of Industries: 1 No. of Occupations: 4 No. of Employees: 2223 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - A1081 No. of Facilities: 36 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 903 (estimated) No. of Female Employees: 643 (estimated)

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn:Harmful;
Risk Phrases	R40
Safety Phrases	S36/37
RIDADR	NONH for all modes of transport
RTECS	SM8390000
HS Code	2932209090

Precursor 2
CAS#:85-44-9 Phthalic anhydride CAS#:95-48-7 o-cresol
DownStream 2
CAS#:17241-40-6 2-Hydroxy-3-met... CAS#:2411-89-4 Phthalein Complexon

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one

3,3'-DIMETHYLPHENOLPHTHALEIN

o-cresolphthalein

MFCD00005912

1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)-

3,3-Bis(4-hydroxy-3-methylphenyl)-1(3H)-isobenzofuranone

3,3-Bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1(3H)-one

EINECS 209-881-8

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: o-cresolphthalein
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: o-cresolphthalein
Price: ￥58.0/100g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: o-Cresolphthalein
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: o-Cresolphthalein - Cas NO.: 596-27-0
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: o-cresolphthalein
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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o-cresolphthalein

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MSDS

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CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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Precursor & DownStream

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