Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,4-Butanediol,2-methyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2938-98-9

2938-98-9 structure

2938-98-9 structure

Name: 1,4-Butanediol,2-methyl
Chemical Name: 1,4-Butanediol,2-methyl
CAS Number: 2938-98-9
Molecular Formula: C₅H₁₂O₂
Molecular Weight: 104.14800
Create Date: 2018-03-02 08:00:00
Modify Date: 2026-08-14 11:51:55

Name	1,4-Butanediol,2-methyl
Synonyms	1,2,3,4,5-Cyclopentanentayl,1-[bis(4-methoxy-3,5-dimethylphenyl)phosphino]-2-[(S)-(dimethylamino)phenylmethyl]-,ironsalt(2:4) (5-phenylmethoxyoxan-4-yl)acetate 2-methyl-1,4-dihydroxybutane 2-methyl-butane-1,4-diol 2-Methyl-1,4-butanediol 3-methyl-1,4-butanediol 2-methylbutane-1,4-diol 1,4-Butanediol, 2-methyl 2-methyl-4-butanediol

Density	0.978g/cm3
Boiling Point	212.2ºC at 760 mmHg
Melting Point	50.86 °C
Molecular Formula	C₅H₁₂O₂
Molecular Weight	104.14800
Flash Point	98.9ºC
Exact Mass	104.08400
PSA	40.46000
Vapour Pressure	0.0392mmHg at 25°C
Index of Refraction	1.443
Storage condition	2-8℃

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EK2275000

CHEMICAL NAME :: 1,4-Butanediol, 2-methyl-

CAS REGISTRY NUMBER :: 2938-98-9

BEILSTEIN REFERENCE NO. :: 1719165

LAST UPDATED :: 199806

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C5-H12-O2

MOLECULAR WEIGHT :: 104.17

WISWESSER LINE NOTATION :: Q2Y1&1Q

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5460 mg/kg

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

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 2620 uL/kg

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

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951

Hazard Codes	Xn
HS Code	2905399090

Precursor 0
DownStream 10
4740-00-5 872-93-5 498-21-5 13423-15-9
64190-48-3 1679-47-6 182347-07-5 95753-86-9
623-34-7 54462-66-7

HS Code	2905399090
Summary	2905399090 other diols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

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