UNII:4TR9Q57OTG

Modify Date: 2025-08-25 17:42:11

UNII:4TR9Q57OTG structure	Common Name	UNII:4TR9Q57OTG
	CAS Number	127-66-2	Molecular Weight	146.186
	Density	1.1±0.1 g/cm3	Boiling Point	217.5±0.0 °C at 760 mmHg
	Molecular Formula	C₁₀H₁₀O	Melting Point	48-52 °C
	MSDS	N/A	Flash Point	96.1±0.0 °C

Name	(±)-2-Phenyl-3-butyn-2-ol
Synonym	More Synonyms

Density	1.1±0.1 g/cm3
Boiling Point	217.5±0.0 °C at 760 mmHg
Melting Point	48-52 °C
Molecular Formula	C₁₀H₁₀O
Molecular Weight	146.186
Flash Point	96.1±0.0 °C
Exact Mass	146.073166
PSA	20.23000
LogP	1.80
Vapour Pressure	0.1±0.4 mmHg at 25°C
Index of Refraction	1.554
Storage condition	2-8°C

UNII:4TR9Q57OTG MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ES0840000

CHEMICAL NAME :: 3-Butyn-2-ol, 2-phenyl-

CAS REGISTRY NUMBER :: 127-66-2

BEILSTEIN REFERENCE NO. :: 1100096

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C10-H10-O

MOLECULAR WEIGHT :: 146.20

WISWESSER LINE NOTATION :: QX1&R&1UU1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 620 mg/kg

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

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 4,477,1954

Hazard Codes	Xn:Harmful;
Risk Phrases	R22
Safety Phrases	S22-S24/25
WGK Germany	3
RTECS	ES0840000
HS Code	2906299090

Precursor 8
CAS#:98-86-2 Acetophenone CAS#:4301-14-8 Bromo(ethynyl)m... CAS#:74-86-2 Acetylene CAS#:54655-07-1 Lithium (trimet...
CAS#:1066-26-8 sodium acetylide CAS#:75-20-7 Calcium carbide CAS#:6289-26-5 3-Hexyne-2,5-di... CAS#:1111-63-3 Potassium acetylide
DownStream 10
CAS#:20921-41-9 2-phenylbut-3-y... CAS#:2404-87-7 3-Phenylthiophene CAS#:1565-75-9 Benzenemethanol... CAS#:6051-52-1 3-Phenyl-1-bute...
CAS#:3155-01-9 2-Butanone,3-hy... CAS#:95323-23-2 4-methyl-5-meth... CAS#:26274-35-1 2,4-Diphenylpyridine CAS#:98-83-9 α-methylstyrene
CAS#:1187828-99-4 benzoic acid 1-... CAS#:217185-22-3 2-prop-2-enoxyb...

HS Code	2906299090
Summary	2906299090 other aromatic alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

UNII:4TR9Q57OTG

α-Ethynyl-α-methylbenzenemethanol

2-Phenyl-3-butyn-2-ol

2-phenylbut-3-yn-2-ol

Benzenemethanol, α-ethynyl-α-methyl-

3-Hydroxy-3-phenyl-1-butyne

EINECS 204-855-2

Benzyl alcohol, α-ethynyl-α-methyl-

MFCD00004454

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: UNII:4TR9Q57OTG
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: UNII:4TR9Q57OTG
Price: ￥218.0/5g ￥768.0/25g
Purity: 98.0%
Delivery: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Phenyl-3-butyn-2-ol
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: tianfu-chem_2-PHENYL-3-BUTYN-2-OL,127-66-2
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.