(Z)-tonghaosu
[CAS# 4575-53-5]

Identification

• Classification: Biochemical >> Natural biochemical product
• Name: (Z)-tonghaosu
• Synonyms: (2Z)-2-hexa-2,4-diynylidene-1,6-dioxaspiro[4.4]non-3-ene
• Molecular Formula: C₁₃H₁₂O₂
• Molecular Weight: 200.23
• CAS Registry Number: 4575-53-5
• EC Number: 853-475-9
• SMILES: CC#CC#C/C=C1/C=CC2(O1)CCCO2

Properties

• Solubility: 24.16 mg/L (25 °C water)
• Density: 1.2±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.581, Calc.^*
• Melting point: 108.76 °C
• Boiling Point: 354.4±42.0 °C (760 mmHg), Calc.^*, 302.03 °C
• Flash Point: 152.8±27.4 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H302-H315-H319-H335
• Safety Statements: P261-P264-P264+P265-P270-P271-P280-P301+P317-P302+P352-P304+P340-P305+P351+P338-P319-P321-P330-P332+P317-P337+P317-P362+P364-P403+P233-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302
Skin irritation	Skin Irrit.	2	H315